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Worksheets

Kinematics

Total questions: 6

Worksheet time: 30mins

Name
Class
Date
1.

A ball dropped from a height of s feet takes t seconds to hit the ground, where  t=s4t=\frac{\sqrt{s}}{4} . How much longer does the ball take to hit the ground when dropped from a height of 32 feet than when dropped from a height of 8 feet?

a)

0.71 seconds

b)

1.06 seconds

c)

1.22 seconds

d)

1.41 seconds

2.

A ball dropped from a height of s feet takes t seconds to hit the ground, where  t=s3t=\frac{\sqrt{s}}{3} . How much longer does the ball take to hit the ground when dropped from a height of 28 feet than when dropped from a height of 12 feet?

a)

0.63 seconds

b)

0.62 seconds

c)

0.61 seconds

d)

0.60 seconds

3.

A ball dropped from a height of s feet takes t seconds to hit the ground, where  t=s2t=\frac{\sqrt{s}}{2} . How much longer does the ball take to hit the ground when dropped from a height of 20 feet than when dropped from a height of 10 feet?

a)

0.65 seconds

b)

0.66 seconds

c)

1.58 seconds

d)

1.59 seconds

4.

A ball dropped from a height of s feet takes t seconds to hit the ground, where  t=s5t=\frac{\sqrt{s}}{5} . How much longer does the ball take to hit the ground when dropped from a height of 100 feet than when dropped from a height of 50 feet?

a)

0.28 seconds

b)

0.59 seconds

c)

1.17 seconds

d)

1.41 seconds

5.

A ball dropped from a height of s feet takes t seconds to hit the ground, where  t=s3t=\frac{\sqrt{s}}{3} . How much longer does the ball take to hit the ground when dropped from a height of 100 feet than when dropped from a height of 64 feet?

a)

0.33 seconds

b)

0.22 seconds

c)

0.67 seconds

d)

1.5 seconds

6.

A ball dropped from a height of s feet takes t seconds to hit the ground, where t=s3t=\frac{\sqrt{s}}{3} . How much longer does the ball take to hit the ground when dropped from a height of 100 feet than when dropped from a height of 64 feet?

a)

.67 seconds

b)

2.4 seconds

c)

3.84 seconds

d)

4.72 seconds