genaro19 genaro19

04-01-2019
Physics

contestada

A car of mass 2400kg moving at 20 m/s slams into a cement wall and comes to a halt?

Respuesta :

04-01-2019

Impulse = change in momentum

The car's momentum was (mass) x (speed)

Momentum = (2400 kg) x (20 m/s)

Momentum = 48,000 km-m/s

To completely stop the car, the impulse = -48,000 km-m/s .

Answer Link

Otras preguntas

Choose the function whose graph is given by:

what is the main idea of this passage

two defect of mendelevs periodic table

Which function has a phase shift of π/2 to the right A.) y = 2sin( 1/2 x + pi ) B.) y = 2sin(2x + pi ) C.) y = 2sin(x + pi/2) D.) y = 2sin(x - pi ) E.) y =

I feel so stupid, but I need helping figuring out this problem. I can’t remember how to do it. Can someone help me please

Five 16 resistors are connected in series across a 120 v generator. what is the equivalent resistance of the circuit?

What us senator used american's fear of communism to promote his career by making baseless accusations of communist activities in the united states?

A brick is resting on the surface of a flat board. as one end of the board is slowly raised, what change, if any, is there in the normal force exerted on the b

What is studied in organic chemistry?

What is the relationship among the numbers and symbols in the expression (6 – 4) • 2? Choose all answers that are correct. A. The difference betwee