Help me please

'rojectiles l. A rock is thrown straight upwards, what is the speed and acceleration of the rock a. At its peak? b. When the rock returns back to its initial position (just before it is caught again)? 2- Stuart, the stunt man, drives a pristine 1953 Cadillac Eldorado at lSm/s off the edge of Devil's Drop Canyon (274 meters deep) 3. How much time will it take him to hit the ground? b. How far from the canyon wall will he land? c. How fast will he be going? 3. A football is kicked off at a 40 angle with the ground at 16.8 m/s. 3. How high will it go? b. How far away from the kickoff will it land? 0. What will be its hang time? 4. A stone is thrown horizontally at a speed of 10.0 m/s from the top of a cliff 78.4 meters high. a. What is the initial horizontal and vertical velocity of the stone? 1). What is the stones horizontal velocity when it hits the ground? 0. How long does it take the stone to reach the bottom of the cliff? d. How far from the base of the cliff does the stone strike the ground? Circular Motion ockwise direction. Draw and label an arrow showing the 5. A ball is being whirled around in the cl ch direction the ball would y towards if the string broke. acceleration of the ball. Then draw whi turn. The Lincoln is four times more massive than the ng a g upon the two 6. A Lincoln Continental and a Yugo are maki d, then how do the centripetal forces actin Yugo. If they make the turn at the same spec cars compare. Explain. nal force of 16 Newtons. if the distance f attraction between the two objects? It you c? If you double the mass of both objects ects attract each other with a gravitatio ed, what is the new force 0 ects what happens to the fore 7. Suppose that two obj between the two objects is doubl double the mass of one of the obj . what happens to the force