1D Kinematics Quiz 1

What is the initial position of the object?

• 2 m

• 4 m

• 6 m

• 8 m

• 10 m

What is the velocity of the object?

• 5 m/s

• -5 m/s

• 10 m/s

• -10 m/s

• 0 m/s

Tags

NGSS.MS-PS3-1

What is the speed of a motor scooter that can travel 2500ft in 20 min? Give the answer in miles per hour.

• 7.5 mph

• 8.5 mph

• 6.5 mph

• 5.5 mph

Tags

NGSS.MS-PS3-1

A bowler once measured that she can throw the bowling ball with a speed of 15 miles/hour. If it takes 3 seconds for the ball to travel from the beginning of the lane down to the pins, how far is this distance in feet?

• 66 feet

• 45 feet

• 22 feet

• 15 feet

I measured my pet dog (Mickey) to be able to run the length of my backyard 500ft in 12 seconds. At this rate, how many miles can my dog run in 2 hours?

• 5 miles

• 10 miles

• 15 miles

• 20 miles

On the position vs. time graph of the expectant father, what is the sign of the velocity during segment B?

• Positive

• Negative

• Zero

• Cannot be determined

Tags

NGSS.MS-PS3-1

[Honors] A tortoise and hare decide to run the 1000m dash. The tortoise manages to finish the whole race with an average speed of 0.20 m/s. The hare, on the other hand, went much faster for the first 800m of the race, with an average speed of 2.0 m/s. He was so far in the lead, that he decides to take a nap, and actually falls asleep for 1 hour 15 minutes. When he wakes up, he sees that the tortoise has pulled ahead of him! So the hare hurries to the end of the race with an average speed of 1.5 m/s. Who wins the race and by how much time?

• The tortoise wins by 250 seconds

• The hare wins by 250 seconds

• The tortoise wins by 125 seconds

• The hare wins by 125 seconds

A woman and her dog are out for a morning run to the river, which is located 4km away. The woman runs at 2.5 m/s in a straight line. The dog is unleashed and runs back and forth at 4.5 m/s between his owner and the river, until she reaches the river. What is the total distance run by the dog?

• 4.5 km

• 6.0 km

• 7.2 km

• 8.0 km