Question
A rocket generates a net force (F) of 2,050,000 newtons, and the rocket’s mass (m) is 40,000 kilograms. Use the formula F = ma to find the acceleration (a) achieved. A. 51.25 meters/second^2 B. 51.125 meters/second^2 C. 42.25 meters/second^2
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General Physics 2 years 1 Answer 1344 views

Question
Particle A of mass 500g is moving with a constant velocity of 12m s^-1 towards particle B of mass 1.5kg which is initially at rest. After collision, particle A comes to a rest and particle B moves ...
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General Physics 2 years 1 Answer 1030 views

Question
Shouldn’t they stop with time? I mean go ahead and shake a bottle of water, it will shake and it will eventually stop, unless you shake it again. What makes the sea water move so much? Why doesn’t ...
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General Physics 2 years 1 Answer 953 views

Question
The position of a particle is given by x = bt – f t^3 where b and f are positive constants. x is in meters, t is in seconds. What are the units of b and f? There ...
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General Physics 2 years 1 Answer 291 views

Question
Two sections of a train track are 1 mile each. They are attached to each other forming a straight line. Each track expands 1.00 ft in length under the hot sun causing the track to buckle. If each ...
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General Physics 2 years 1 Answer 346 views

Question
The figure below shows two blocks suspended by a cord over a pulley. The mass of block B is twice the mass of block A, while the mass of the pulley is equal to the mass of block A. The ...
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General Physics 2 years 1 Answer 2633 views

Question
Learning Goal: To understand and use inverse-square relationships. Two quantities have an inverse-square relationship if y is inversely proportional to the square of x. We write the mathematical relationship as y = A/x2. Here, A is a constant. This relationship is sometimes written as 
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General Physics 2 years 1 Answer 2426 views

Question
A machine part is made up of two pieces, with centers of gravity shown in the figure.(Figure 1) Which point could be the center of gravity of the entire part?
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General Physics 2 years 0 Answers 2109 views

Question
Four children are playing in a field. The children form a line, holding hands. The player at the front of the line starts to spin around faster and faster, causing the others to run in circle, as shown in the ...
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General Physics 2 years 1 Answer 1950 views

Question
Learning Goal: To make the connection between intuitive understanding of a seesaw and the standard formalism for torque. This problem deals with the concept of torque, the “twist” that an off-center force applies to a body that tends to make it rotate.
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General Physics 2 years 1 Answer 1882 views