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Give the right answer of all the following question.
Question 1- In an experiment in the lab room, a student holding a force sensor with a string attached sits in a chair that has wheels with negligible friction.
Part 1- Describe how their partner must move such that the force sensor reads a constant force as the student is pulled across the lab room.
Question 2- A dynamics cart with a force sensor attached is placed on a level track. Attached to the force sensor is a string of negligible mass that passes over a pulley. A hanging mass is then attached to the free end of the string and the cart is released from rest.
Part 1- Draw a picture of this situation below and label all of the forces present. You should ignore any friction on the axels of the cart and pulley.
Question 3- Draw free-body diagrams for both the cart and the hanging mass below.
You need to solve the all above question and you should ignore any friction on the axels of the cart and pulley
On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short distance. What is the acceleration of the jet in m/s2
A spaceship travels past an observer at a speed of 0.6c. What time would the observer record for the same event
Elizabeth is nearsighted. Without glasses, she can see objects clearly when they are between 15.0 cm and 90.0 cm away from her eyes. how close to her eye can an object be before it appears out of focus
To start a lawn mower, you must pull on a rope wound around the perimeter of a flywheel. Determine the average angular acceleration during the 0.91-s spin-up and again during the 0.24-s spin-down
A positive charge of q = 3.5 µC is pulled on by two negative charges. One, -2.0 µC, is 0.050 m to the north and the other, -4.0 µC, is d = 0.029 m to the south. What total force is exerted on the positive charge .
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An astronaut who is repairing the outside of her spaceship accidently pushes away a 98.9-cm-long steel rod, which flies off at 10.5 m/s, never to be seen again. As it happens, the rod is oriented perpendicularly to the magnetic field in that region o..
A wire 11.80 m long carries a current of 1.30 A and makes an angle of 35.0 degrees with a uniform magnetic field of magnitude B=10.50 T. Calculate the magnitude of the magnetic force on the wire.
A grinding wheel in the shape of a solid disk is 0.200m in diameter and has a mass of 2.50kg. How far would it have to drop in free fall to acquire the same amount of kinetic energy
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An internal explosion breaks an object, initially at rest, into two pieces, one of which has 1.6 times the mass of the other. If 25000 J is released in the explosion, how much kinetic energy does each piece acquire?
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