# Unit 6 Review: Projectiles And Circular Motion: Question Preview (ID: 23237)

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**If you drop an object from a cliff, the shape of the Horizontal Position vs. Time graph will have what shape?**

a) Circle

b) Diagonal

c) Flat

d) Curve

**If you throw an object from a cliff, the shape of the Horizontal Velocity vs. Time graph will have what shape?**

a) Circle

b) Diagonal

c) Flat

d) Curve

**Two basketballs are projected off the edge of a table, one red and one yellow. The yellow one has a horizontal velocity of 5.0 m/s; the red one has a horizontal velocity of 3.5 m/s. (Assume air resistance is negligible). Choose the true statement.**

a) Both balls hit the ground at the same distance from the table.

b) The red ball hits the ground further from the table.

c) The yellow ball hits the ground further from the table.

d) The purple ball hits the ground further from the table.

**If you drop an object from a cliff, the shape of the Vertical Velocity vs. Time graph will have what shape?**

a) Circle

b) Diagonal

c) Flat

d) Curve

**If you drop an object from a cliff, the shape of the Vertical Position vs. Time graph will have what shape?**

a) Circle

b) Diagonal

c) Flat

d) Curve

**Two basketballs are projected off the edge of 2 tables, one red and one yellow. The yellow one has an initial height of 5.0 m; the red one has an initial height of 3.5 m. (Assume air resistance is negligible). Choose the true statement.**

a) Both balls hit the ground at the same time.

b) The red ball hits the ground first.

c) The yellow ball hits the ground first.

d) It depends on your point of view.

**A marble is rolled into a center of a spiral tube that is lying on a table (neglect gravity). What shape path will it follow when it emerges?**

a) Straight out of the tube.

b) Curved in the direction of the spiral.

c) Curved in the opposite direction of the spiral.

d) A parabola.

a) Both balls hit the ground at the same distance from the table.

b) The red ball hits the ground further from the table.

c) The yellow ball hits the ground further from the table.

d) There are no balls. Itâ€™s a conspiracy.

**Two basketballs are projected off the edge of a table, one red and one yellow. The yellow one has a mass of 5.0 g; the red one has a mass of 3.5 g. (Assume air resistance is negligible). Choose the true statement.**

a) Both balls hit the ground at the same distance from the table.

b) The red ball hits the ground further from the table.

c) The yellow ball hits the ground further from the table.

d) The combined forces of gravity and centripetal acceleration will keep the ball on the table indefinitely.

a) Both balls hit the ground at the same time.

b) The red ball hits the ground first.

c) The yellow ball hits the ground first.

d) The red ball will never fall through the floor.

a) Both balls hit the ground at the same time.

b) The red ball hits the ground first.

c) The yellow ball hits the ground first.

d) The red ball will never hit the ground.

**A white Ping-Pong ball is projected off the edge of a 1.0-m-high table with a horizontal velocity of 7.0 m/s. An orange Ping-Pong ball is DROPPED from the same height as the white one. Choose the true statement.**

a) Both balls hit the ground at the same time.

b) The white ball hits the ground first.

c) The orange ball hits the ground first.

d) The white ball will float, because it is less dense than water.

a) Both balls have the same vertical speed right before they hit the ground.

b) The white ball has a greater vertical speed right before it hits the ground.

c) The orange ball has a greater vertical speed right before it hits the ground.

d) The black ball has a greater vertical speed right before it hits the ground.

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