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WorksheetsPhysical Science Final Part 3
Total questions: 15
Worksheet time: 4hrs 45mins
A dog runs 50 m after a car before stopping 10 seconds later. How fast was the dog running?
(a)
You are walking to class at 1 m/s when the bell rings. You speed up and are running at 8 m/s after 2 seconds. What was your acceleration?
(a)
Find the momentum of a 7 kg bowling ball rolling at 7 m/s.
(a)
A 60 kg runner accelerates during a race at 3 m/s2. What force does he exert on the earth with each step?
(a)
What is the weight of a 4 kg cat on earth if gravitational acceleration is 9.8 m/s2?
(a)
A force of 20 N is used to carry a 4 kg watermelon 5 m. How much work was done?
(a)
How long would it take a car driving 60 km/hr to drive 150 km?
3 hours
4 hours
3.5 hours
2.5 hours
A car drives around a 1000 m track at 50 m/s. It stops at the same place it started. What is the car's displacement?
1000 m
200 m
50 m
0 m
It takes two minutes for Heather to walk 150 m down the road heading south. What is her average velocity? MAKE SURE YOU CONVERT YOUR UNITS!
(a)
A 1.5 kg ball has a momentum of 12 kg∙m/s north. What is its velocity?
(a)
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
25 m/s2
50 m/s2
100 m/s2
10 m/s2
The mass of a large car is 1000 kg. How much force would be required to accelerate the car at a rate of 4 m/sec2
4000 N
250 N
400 N
2500 N
A car accelerates from a stop sign and 10 seconds later it is going 30 m/s. What was its average rate of acceleration?
30 m/s2
3 m/s2
6 m/s2
1.5 m/s2
A dog carries a .5 kg ball for 30 m. How much work did the dog do?
(a)
Jeff carries a box that weighs 60 N for 20 m. If it takes him 30 seconds to carry it, how much power did he use?
1200 W
120 W
400 W
40 W
