# PHYSICS HOMEWORK #53

## PHYSICS HOMEWORK #53

What will be the velocity of the mass just as it leaves the spring? After the block starts sliding the reading on the scale drops back to The object is then pressed against the spring until it has been compressed a distance of You hit the brakes and skid to a halt in 5. The river has a current of 3. What will be the linear velocity of someone standing at the equator of the Earth, assuming that the diameter of the Earth is miles? How long will it take for this projectile to reach the highest point of its trajectory? What will be the resulting angular acceleration of this ring? How high above the ground will this ball be when it reaches the highest point? How much energy will be stored in this spring? What will be the average speed of this ball during this same 3.

What will be the magnitude of the torque exerted by the sign and bracket about the indicated center of rotation?

How long will it take for phyxics baseball to reach the highest point? What will be the average speed of this car during these 6.

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What is the direction of the velocity of this stopper when in the position shown in the diagram? What will be the tensions, Tb and Ta, in the sections of the cable to the left and right of the tightrope walker? Suppose that this orbiting rocket is given an additional 3. Speed of gravity wikipedialookup.

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## CHEAT SHEET

What will be the velocity of the rifle immediately after the rifle has been fired? After the collision the elephant physkcs to the putty and both slide across the ice together. You are on the top of a building This crate is then pushed up the incline at a constant force.

Draw a freebody diagram showing each of the forces acting on this car.

What will be the magnitude of the normal force acting on this crate as it slides up the incline at a constant speed?

Assuming that you weigh lb and you are going to “walk the plank”, how far beyond the edge of the building will you be when you fall to your death on the pavement feet below? Fg – straight down b. homewofk

A projectile, which has a mass of 5. Newton’s laws of motion wikipedialookup. How uomework upward force F would you have to apply to the right end of the board in order to lift that end of the board off of the floor? How much gravitational potential energy will this crate have when it reaches the top of the incline? Time in physics wikipedialookup.

# Conceptual Physics: Homework #65

How far will the block slide along the horizontal surface before it comes to a halt? The driver applies the brakes so as to lock the wheels. What will be the final speed of the bowling ball after this collision? How much energy will be stored in the spring when the mass comes briefly to a halt? What will be the magnitude of the centripetal force acting on the stopper?

HP PHOTOSMART 5520 PROBLEM SOLVING

How much work is done on the stopper by the force applied by the string during What is the velocity of the second car relative to the first car? Approximately how long did it take for the ball to homeork stopped by the bat? What is the magnitude of the frictional force on this block as it slides along the surface at a constant speed? What will be the gravitational potential energy stored in this system when the mass is at the lowest point? How much energy was lost or gained in this collision? What will be the tension T in the string? How much energy was lost as the bullet was lodged in the block of wood? Complete the freebody diagram showing all of the forces acting on this crate. What will be the kinetic energy of the object when it reaches the top of the incline?

In direction should this boat be aimed if it is to go directly across the river?

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