### PHYSICS HOMEWORK #53

What will be the horizontal velocity of the marble as it reaches the floor? The radius is 1. Since all i vectors are in the same direction [parallel to the x axis] they can be added together just like scalars as shown in parts a-d. The end of the board sticks out a distance of 7. What will be the magnitude of the normal force acting on this sled as it is pulled to the right at a constant speed?

What is the average force applied to the rifle by the shoulder? What will be the displacement of this boat when it reaches the opposite shore? A projectile is fired from the ground with a velocity of What will be the velocity of the cart when it reaches the top of the incline? What will be the frictional force acting on this crate as it slides up the incline at a constant speed? You are driving your car down the highway with a speed of What will be the final speed of the bowling ball after this collision?

What will be the speed of this ball as it reaches the ground? You are standing on homewlrk top of a building meters tall. What will be the maximum gravitational energy contained in the ballistics pendulum when it reaches the maximum angle?

What will be the velocity of these two railroad cars after the collision? The point of this concept is to use the rotation of the wheel to generate an artificial gravity. What will be the magnitude of the applied torque?

How long after the ball is thrown will the ball be found meters above the ground?

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A hmoework is being pulled along a canal by two cables being pulled as shown to the right. What is the coefficient of static friction ms between the mass and the surface of the table?

What is the magnitude of the normal force FN acting on the sled? What will be the velocity of the roller coaster when it reaches point C?

# Conceptual Physics: Homework #65

What will be homewoork final angular displacement of this wheel? A series of simple machines is set up so that the output of each machine is the input of the next machine in series. The end of the board sticks out a distance of 7.

What will be the gravitational potential energy of a 32, Kg rocket sitting on the surface of Mars? How far will the block slide along the horizontal surface before it comes to a halt?

You are standing on the top of a building which is meters tall.

What will be the resulting angular acceleration? What is the average speed of this rubber stopper as it circles above your head?

## CHEAT SHEET

The force F is generally supplied by a screw which is turned by a lug wrench. Consider a wheel, which is shaped like a ring, has a mass of 8. Inertial navigation system wikipedialookup. The time from the ho,ework of the ball until its return to the ground is measured to physicz 5.

What would the velocity of this rocket have to be in order for it to orbit Callisto at an altitude of 4, km? What was the gravitational potential energy [relative to the lowest point reached by the swing as it swings back and forth] of the child at the moment she is released?

What is the required velocity for this space ship to remain in a stable orbit? A marble is fired horizontally from a launching device attached to the edge of a tabletop which is What will be the total kinetic energy of this system before the collision?

The tires on the car have a diameter of 78 cm. This string is then looped around a pulley and is finally attached to the left vertical surface. A mass weighing N is suspended from the right end of the bar while a mass weighing N is suspended from the left end of the bar. A child, which has a mass of What will be the velocity of this projectile at the highest point of its trajectory?

# PHYSICS HOMEWORK #1 KINEMATICS DISPLACEMENT & VELOCITY

A small cart is rolling along a horizontal surface and you measure that the cart moves a distance of 3. What will be the velocity of the bullet just as it reaches the ground? A ball is dropped from the top of a building to the ground below.

How much energy will be lost in this collision?