Refer to Figure 2.1 a. Describe how the horizontal displacement of the projectile x varies with time. b. What does the projectile’s x vs. t plot reveal about the horizontal velocity of the projectile? HINTS: What is a slope of the best-fit line and what does it represent?

A skier traveling horizontally at 7.00 m/s shoots off a vertical cliff. Moments later she hits horizontal snow again with a velocity at an angle of 55 degrees below the horizontal. A. Find her velocity as she hits the snow? B. For how long was she in the air? C. How far did she land from the foot of the cliff?

a. what is the horizontal component of the initial velocity in m/s? b.how long does it take for it to strike the ground? t=____s c.what is the maximum height the ball can attain above the starting point?

Complete only D

A baseball is hit with an initial velocity of 20 m/s at an angle of 22 degrees above the horizontal and at an initial height of .9 m. a. How high will the baseball go? b. How far will the baseball go when it hits the ground?

A dolphin wants to swim directly back to its home bay, which is 0.800 km due west. It can swim at a speed of 4.20 m/s relative to the water, but a uniform water current flows with speed 2.83 m/s in the southeast direction.  a. What direction should the dolphin head? Enter the angle in degrees where positive indicates south of west and negative indicates north of west. anser in degrees b. How long does it take for the dolphin to swim the 0.800-km distance home? answer in min

A ball is thrown from a high window. The arc path that it takes is a result of the combination of its horizontal and vertical motions. Which statement describes the acceleration of the ball? O The ball accelerates horizontally away from the building. The ball accelerates upward away from the ground. The ball does not accelerate. The ball accelerates vertically downward toward the ground.

A cannonball is fired from a height of 25 m above ground level, with an initial speed of 22.36 m/s and at an angle of 63.4⁰ above the horizontal. The cannonball lands at ground level. a. How long was the ball in the air (the “hang time")? b. How far does the cannonball travel horizontally? c. What is the final speed of the cannonball just before making contact with the ground?

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A tennis ball is hot off a building with a speed of 63.0 m/s and at an angle of 60 to the horizontal. The tennis ball falls to an altitude 50.0m lower than its starting point  (the ground). a. Find the initial velocity in both the vertical and horizontal directions.  b. How long did it take the ball to hit the ground?