Unit 5 & Unit 6 Review

A baseball is thrown a distance of 60 meters. What is its speed if it takes 0.5 seconds to cover the distance?

• 120 m/s

• 30 m/s

• 60 m/s

• 100 m/s

How much time does it take for a bird flying at a speed of 45 kilometers per hour to travel a distance of 1,800 kilometers?

• 20 hours

• 30 hours

• 40 hours

• 50 hours

A comet is cruising through the Solar System at a speed of 50,000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time?

• 200,000 kilometers

• 150,000 kilometers

• 250,000 kilometers

• 100,000 kilometers

In a summer storm, the wind is blowing with a velocity of 8 m/s north. Suddenly in 3 seconds, the wind’s velocity is 23 m/s north. What is the wind’s acceleration?

• 5 m/s²

• 7 m/s²

• 3 m/s²

• 15 m/s²

Tags

NGSS.HS-PS2-1

A student starts a food fight by throwing a 0.5 kg burrito at some girl he likes. He throws it kind-of hard so he accelerates it at 3 m/s². How much force did this take?

• 1.5 N

• 2 N

• 1 N

• 3 N

Tags

NGSS.MS-PS2-2

A batter hits a baseball with 500 N and the ball is accelerated at 25 m/s². What is the mass of the ball?

• 10 kg

• 20 kg

• 25 kg

• 30 kg

Tags

NGSS.MS-PS2-2

A 1000 kg vehicle hits a tree with 35,000 Newtons of force. What was the velocity of the vehicle?

• 10 m/s

• 15 m/s

• 20 m/s

• 25 m/s

Tags

NGSS.HS-PS2-1

A tourist drops a rock from rest from a guard rail overlooking a valley. What is the velocity of the rock at 4.0 s?

• 9.8 m/s

• 19.6 m/s

• 29.4 m/s

• 39.2 m/s

Tags

NGSS.HS-PS2-1

A tourist drops a rock from rest from a guard rail overlooking a valley. What is the displacement of the rock at 4.0 s?

• 19.6 m

• 39.2 m

• 78.4 m

• 156.8 m

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Will it take more force to push an empty shopping cart or a shopping cart that is full?

• The empty shopping cart

• The full shopping cart

• They will take the same amount of force