Pasco Scientific ME-9486 Instruction Manual And Experiment Manual
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Pasco Scientific ME-9486 Instruction Manual And Experiment Manual

Ballistic cart accessory
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012-05460A
Instruction Manual and
7/94
Experiment Guide for
the PASCO scientific
Model ME-9486
BALLISTIC CART
ACCESSORY
© 1994 PASCO scientific
$5.00
better
ways to
10101 Foothills Blvd. • P.O. Box 619011 • Roseville, CA 95678-9011 USA
teach physics
Phone (916) 786-3800 • FAX (916) 786-8905 • TWX 910-383-2040

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Summary of Contents for Pasco Scientific ME-9486

  • Page 1 7/94 Experiment Guide for the PASCO scientific Model ME-9486 BALLISTIC CART ACCESSORY © 1994 PASCO scientific $5.00 better ways to 10101 Foothills Blvd. • P.O. Box 619011 • Roseville, CA 95678-9011 USA teach physics Phone (916) 786-3800 • FAX (916) 786-8905 • TWX 910-383-2040...

  • Page 3: Table Of Contents

    Copyright, Warranty, and Equipment Return ............. ii Introduction ...................... 1 Equipment ......................2 Assembly ME-9486 Ballistic Cart Accessory .............. 3 ME-9487 Drop Rod Accessory ..............4 Experiments Experiment 1: Shoot and Catch - Demonstration........5 Experiment 2: Tunnel - Demonstration ........... 7 Experiment 3: Accelerating Cart - Demonstration ........

  • Page 4: Copyright, Warranty And Equipment Return

    RETURN WITHOUT AN AUTHORIZATION. Limited Warranty When returning equipment for repair, the units must be PASCO scientific warrants this product to be free from packed properly. Carriers will not accept responsibility defects in materials and workmanship for a period of one for damage caused by improper packing.

  • Page 5: Introduction

    012-05460A Ballistic Cart Accessory Introduction The PASCO ME-9486 Ballistic Cart Accessory is used The PASCO ME-9487 Drop Rod Accessory can be with the PASCO Dynamics Cart and track (ME-9429A or mounted to the Ballistic Cart Accessory so a special plas-...

  • Page 6: Equipment

    Trip Bracket assembly yellow nylon balls (2) thumbscrews (2) ME-9486 Ballistic Cart accessory Equipment The ME-9486 Ballistic Cart Accessory includes the following: • one Ballistic Cart Accessory • two yellow nylon balls • one Trip Bracket assembly • two thumbscrews •...

  • Page 7: Assembly

    012-05460A Ballistic Cart Accessory Assembly Ballistic Cart ME-9486 Ballistic Cart Accessory Accessory Battery Installation thumbscrew storage Turn the unit on its side and install the 9-volt battery power in the bottom of the unit. See Figure 1. switch “ON” LED...

  • Page 8: Me-9487 Drop Rod Accessory

    Ballistic Cart Accessory 012-05460A Setting Up the Ballistic Cart Accessory Move the aim adjusting screws (see Figure 2) in and With the cart at rest on the level track, adjust the aim out to check that the barrel moves freely. Do this by adjust screws until the ball shoots straight up and looking down the barrel while adjusting the screws.

  • Page 9: Experiment 1: Shoot And Catch - Demonstration

    Ballistic Cart Accessory Experiment 1: Shoot and Catch - Demonstration EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – Dynamics Cart and track (ME-9452) Purpose This demonstration shows that when the ball is shot vertically upward from the cart while the cart is moving at any constant speed, the ball will land back in the cart.
  • Page 10 Ballistic Cart Accessory 012-05460A Notes:...

  • Page 11: Experiment 2: Tunnel - Demonstration

    012-05460A Ballistic Cart Accessory Experiment 2: Tunnel - Demonstration EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – Dynamics Cart and track – Cardboard box (33 cm {13"} cube) for tunnel (construction details given below) Purpose This demonstration shows that the ball can be caught by the cart even if the cart passes through a tunnel while the ball is in the air.
  • Page 12 Ballistic Cart Accessory 012-05460A Notes:...

  • Page 13: Experiment 3: Accelerating Cart - Demonstration

    012-05460A Ballistic Cart Accessory Experiment 3: Accelerating Cart - Demonstration EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – Dynamics Cart and track – String – Clamp-on pulley – 50 gram mass and mass hanger Purpose This demonstration shows that when the ball is shot vertically upward from the cart while the cart is accelerating, the ball will not land in the cart.
  • Page 14 Ballistic Cart Accessory 012-05460A Notes:...

  • Page 15: Experiment 4: Inclined Plane - Demonstration

    012-05460A Ballistic Cart Accessory Experiment 4: Inclined Plane - Demonstration EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – Dynamics Cart and track – Table clamp and rod – Rod clamp for dynamics track Purpose This demonstration shows that a ball launched from a cart that is accelerating down an inclined plane will be caught by the cart regardless of the angle of incline.
  • Page 16 Ballistic Cart Accessory 012-05460A Notes:...

  • Page 17: Experiment 5: Drop Ball - Demonstration

    012-05460A Ballistic Cart Accessory Experiment 5: Drop Ball - Demonstration EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – Dynamics Cart and track – Drop Rod Accessory (ME-9487) Purpose The purpose of this demonstration is to show that when the ball is dropped from the drop rod while the cart is moving at any constant speed, the ball will land in the cart.
  • Page 18 Ballistic Cart Accessory 012-05460A Notes:...

  • Page 19: Experiment 6: Accelerating Cart - Demonstration

    012-05460A Ballistic Cart Accessory Experiment 6: Accelerating Cart - Demonstration EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – Dynamics Cart and track – Drop Rod Accessory (ME-9487) – String – Clamp-on pulley – 50 gram mass and mass hanger Purpose This demonstration shows that when the ball is dropped from the drop rod on a cart that is accel- erating, the ball will not land in the cart.
  • Page 20 Ballistic Cart Accessory 012-05460A Notes:...

  • Page 21: Experiment 7: Inclined Plane - Demonstration

    012-05460A Ballistic Cart Accessory Experiment 7: Inclined Plane - Demonstration EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – Dynamics Cart and track – Drop Rod Accessory (ME-9487) – Table clamp and rod – Rod clamp for dynamics track Purpose This demonstration shows that a ball dropped from the drop rod on a cart that is accelerating down an inclined plane will be caught by the cart regardless of the angle of incline.
  • Page 22 Ballistic Cart Accessory 012-05460A Incline the track (see Figure 7.1) using the table clamp and rod. Be careful not to choose too high an angle because the cart will reach such a high speed that it will crash at the bottom. For any angle you choose, be sure you catch the cart at the bottom to keep it from derailing and crashing to the floor.

  • Page 23: Experiment 8: Bombing Run - Demonstration

    012-05460A Ballistic Cart Accessory Experiment 8: Bombing Run - Demonstration EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – Dynamics Cart and track – Drop Rod Accessory (ME-9487) – Paper cup (for catching ball) Purpose This demonstration shows the students that a bomber must release the bomb before the plane is over the target.
  • Page 24 Ballistic Cart Accessory 012-05460A Align the track with the edge of the table. Position the drop rod so that as the ball drops, it will miss the table and fall to the floor. Position the photogate trip bracket near the middle of the track. Place the cart on the track at the position of the trip bracket and place the cup on the floor under the drop rod.

  • Page 25: Experiment 9: Bombing Run (Computerized)

    012-05460A Ballistic Cart Accessory Experiment 9: Bombing Run (Computerized) EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – 200-gram mass and mass hanger – Dynamics Cart and 2.2 m track (ME-9452) – Photogate and photogate bracket – Drop Rod Accessory (ME-9487) –...
  • Page 26 Ballistic Cart Accessory 012-05460A Clamp the pulley on the end of the track. Position the photogate and its bracket over the clamp-on pulley so it acts as a Smart Pulley. See Figure 9.1. Tie one end of a 2.2-meter long string to the cart and pass the other end over the pulley and hang about 200 g on it.
  • Page 27 012-05460A Ballistic Cart Accessory NOTE: It is also possible to determine the speed using conservation of energy without a com- puter. You would need to know the mass of the Ballistic Cart Accessory and measure the distance the hanging mass falls. Hang the ball on the drop rod and measure the distance, y, from the bottom of the ball down to the floor.
  • Page 28 Ballistic Cart Accessory 012-05460A Notes:...

  • Page 29: Experiment 10: Bombing Run (Non-Computerized)

    012-05460A Ballistic Cart Accessory Experiment 10: Bombing Run (Non-Computerized) EQUIPMENT NEEDED – Ballistic Cart Accessory (ME-9486) – Clamp-on pulley – Dynamics Cart and track (ME-9452) – 50-200g mass and hanger – Drop Rod Accessory (ME-9487) – Scale – Paper cup (for catching ball) –...
  • Page 30 Ballistic Cart Accessory 012-05460A where m is the hanging mass and M is the mass of the cart and all attachments including the ball. Substituting this value for acceleration into the equation for x gives us our desired equation: x = 2 m + M Drop Rod Accessory...
  • Page 31 012-05460A Ballistic Cart Accessory Hold the cart in its initial position against the end stop. Hang the plumb bob from the ball release point and mark the initial position. Slowly move the cart to where the trip bracket just causes the ball to release, and use the plumb bob to mark this position.

  • Page 32: Teacher's Guide

    Ballistic Cart Accessory 012-05460A Teacher’s Guide Experiments 4 and 7: Inclined Plane - Demonstration Why the Ball is Still Caught in the Inclined Plane Experiments There have been enough questions about these two In this case, the ball’s acceleration is still only in experiments—including some from people who the vertical plane, but the cart has a horizontal should know better—that we thought it would be...

  • Page 33: Technical Support

    012-05460A Ballistic Cart Accessory Technical Support Feed-Back Contacting Technical Support If you have any comments about this product or this Before you call the PASCO Technical Support staff it manual please let us know. If you have any sugges- would be helpful to prepare the following information: tions on alternate experiments or find a problem in the •...

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