Based on the error estimates for the measured positions given in the table, what would be reasonable error estimates for the speeds and accelerations? Through what angular displacement does the earth turn in 24 hours? How much heat will be generated as a result of the crate sliding across the surface? What will be the maximum speed with which the car can negotiate the curve without losing control? You have available a long inclined plane which is

Displacement vs Time Displacement [m] 40 30 20 10 1. What will be the gravitational potential energy of this system when the mass is at the highest point? How high will this projectile be at the highest point of its trajectory? On the graph at the right sketch the acceleration of this car as a function of time. What will be the direction and magnitude of the torque exerted on the lamp by the weight of the lamp about the indicated center? What will be the vertical velocity of this baseball at the highest point of its trajectory? What will be the kinetic energy of the crate before it reaches the bottom of the incline?

You throw the ball upward so that the ball lands on the roof of the adjacent building 4. How much gravitational potential energy will this crate have when it reaches the top of the incline?

For example; The resultant R goes from the tail of the first vector to the tip of the last vector, answrs shown. How long will it take for this ball to reach the highest point?

A mass at the end of a string, which is 2. After the collision the What will be the magnitude of the normal force acting on the crate? Was the collision between these two masses elastic or inelastic? The two masses are attached together by a string in which the tension is T.

What will be the gravitational potential energy of a 32, Kg rocket sitting on the surface of Mars? Woodward effect wikipedialookup. What is the coefficient of static friction between the crate and the surface of the incline?

TWO data tables, one d. The mass is then released and is allowed to fall until at some lower point it stops.

## Physics homework #14 two dimensional projectiles

As a result the sled accelerates to the right at a rate of 3. What will be the velocity of this boat as measured by an dimensiona standing along the shore? How much additional energy must this rocket acquire in order to leave orbit and escape the gravity of Jupiter?

Draw a freebody projectilse indicating all hmework the forces acting on the coaster at the top of the loop. What is the ideal mechanical advantage of this simple machine? What will be the direction and magnitude of the momentum of m 2 before the collision? Suppose that the ball escaped from the roulette wheel while in the position shown, what will be the direction of motion of the ball as it exits the wheel?

# PHYSICS HOMEWORK #1 KINEMATICS DISPLACEMENT & VELOCITY

How long will it take for this ball to reach the ground? What will be the angle a between the string and the vertical line as shown in the diagram to the right when the mass reaches the highest point? What is the IMA of this inclined plane? As a result of this, the output force lifts a load of 11 kg to a height of 9. The hill has a height of A meterstick, which has a mass of grams, has a nail through a hole drilled at the cm mark.

How far downstream will this boat reach the opposite shore of the river? What will be the kinetic energy of the cart as it reaches the bottom of the incline?

You throw a ball upward with a velocity of What will be the vertical velocity of this baseball at the highest point of its trajectory? What is the magnitude of your centripetal acceleration? How long will it take for the boat to reach a point Ff – down incline, FN – perpendicular to incline, Fg – straight down 22b.

In what direction should the boat be aimed in order for the boat to head directly across the river? On the diagram to the left label all of the forces acting on the rider.

What is the average speed of this rubber stopper as it circles above your head?