Physics, 03.03.2021 07:00, sophia4636
Can someone pls answer
Use Newton’s Second Law to solve the following problems. Be sure to show the (GU)ESS method.
1. Find the force if the mass is 6 kg and the acceleration is 12 m/s/s.
2. Find the mass if the force is 18 N and the acceleration is 2 m/s/s.
3. Find the acceleration if the force is 10 N and the mass is 5000 g.
4. A 3000 kg plane has an acceleration of 12 m/s/s on take off. What net force is exerted on the plane?
5. What is the acceleration of an object with a 4500 g mass when there is a net force of 18 N on it?
6. A space worker exerts a net force of 256 N on an object and it accelerates at 8 m/s/s. What is the mass of the object?
7. Sally accelerates a 250 kg cart at 3 m/s/s. What must be the net force?
8. What must be the mass of a model rocket in grams to develop an acceleration of 520 m/s/s when subjected to a net force of 11.2 N?
9. What force can stop a 1400 kg truck accelerating at 7.5 m/s/s?
10. A car can go from 0 m/s to 27 m/s in 4.5 seconds. If a net force of 6600 N acted on the car, what is its mass? (Hint: You must first calculate the acceleration then plug into Newton’s second law.)
Answers: 2
Physics, 22.06.2019 05:00, hannahhoskings6989
Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above
Answers: 1
Physics, 23.06.2019 01:40, coollid876
(8%) problem 12. a bowling ball of mass mb 3 kg 's rolled down the lane with a velocity ofy-2/ m s lt strikes a single remaining pin mp 0.93 kg head on. after the collision the bowling ball has a velocity (in the same direction) of v2 1.1 m/s. = ▲ 33% part (a) write an expression for the velocity of pin in the horizontal direction after the impact, im ,, 33% part (b) what is the pins speed in ms? 33% part (c) assuming the coefficient of friction s μ,-0.1. how far in meters could the pin slide before stopping if it doesn't topple?
Answers: 1
Can someone pls answer
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