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Physics

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Alexandrine Jones

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Cards in this guide (13)
Isaac Newton can be credited with all of these except

developed the theory of relativity

Two forces act on the same object One force is pushing due east with a force of 6 newtons and the other is pushing due north at 8 newtons What is the resulting force

10 newtons NE. a little more north than east

A ball is thrown horizontally from a cliff at a speed of 15 ms and strikes the ground 45 meters from the base of the cliff How long was the ball in the air

Answer: 3 seconds

Weight of a bag of apples

about 5 pounds

What can the moving ball in this illustration be called

projectile

What force is needed to give a 2000 kg car an acceleration of 1.5 ms³

3,000

A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle fo 35 degrees How far did the ball travel before hitting the hround

92, or 91.5

A plus answer

Acceleration due to gravity is usually equal to m s³

9.80

What term is given to the net figure that results from vector

resultant

Would your weight be greater if earth gained mass

Yes your weight would be greater.

What is difference between Action and Reaction

To every action there is a opposite reaction means reaction.

Can sum of two vectors be numeric

No, the sum of two vectors cannot be a scalar.

A golfer tees off and hits a golf ball at a speed of 31 ms and at an angle of 35 degrees. What is the vertical velocity component of the ball Round the answer to the nearest tenth of a ms.

I don’t know but add my Instagram @0baby_dxnni0

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