A 50 kg car is pushed so that it speeds up from 20 m/s to 50 m/s in 3 seconds. What is the force acting on the car?

A

500 N

B

0.2 N

C

10 N

Can you dab at 40 degree angle.

What is the main purpose of trying to quickly cool heated food?

Why is a magnetic field a vector quantity? directional force directional speed specified location It produces long field lines. It produces field lines that are close together. . just give me the answer.

In what scenario might a red ball appear black?

a baseball pitcher loosens up his pitching arm. he tosses a 0.140 kg ball using only the roation of his forearm, 0.270m in length, to accerlate the ball. if the ball starts at rest and is releasedwith a speed of 24 in a time of 0.

Why do space suits need to be pressurized?

Why do comets have tails?

The main characteristic of all vertebrates is the presence of a. cartilage b. a large brain c. a backbone d. an exoskeleton I got it. The answer was B

A projectile is thrown upward so that its distance above the ground after t seconds is h (t) equals negative 16 t squared plus 704 t. a) Find the maximum height the object reaches. b) Find the time it takes the object to reach the ground.

You are standing 100 meters from an object emitting a sound of constant intensity (loudness). You walk toward the source of sound until you are 20 meters from it. From your perspective, what has happened to the intensity of the sound?