An object with mass of 6.0kg accelerates 4.0m/s2 when an unknown force is applied to it what is the amount of the force

A brass washer has an outside diameter of 4.50 cm with a hole of diameter 1.25 cm and is 1.50 mm thick. The density of brass is 8599 kg/m3. If you put this washer on a laboratory balance, what will it "weigh" in grams?

Nan moved 18m to the right and then another 22m to the right if the motion takes 20 seconds what is nans velocity

A baseball player throws a baseball. The ball traveled 35 yards before it landed on the ground. The ball stayed in the air for 3.8 seconds. What is the average speed of the ball?

How was life created after the Big Bang?

a cube of sides 10cm is partly filled with sand of density 3.8g/cm3. If the weight of the sand is 200g, find the height in mm up to which it is filled in the container?

the lift raises a car of mass 50 kg of 2.1 M that uses a force of 8330 n and takes four seconds to Raise the car what is the power of the lift

If a star is moving away from you how does it affect the wavelength of the light waves that reach you?

What is the deffination of "The spinning of Earth on its axis"

The outermost layer of earth is called the mantle

A pulley system used to lift car tires has a mechanical advantage of 8.1. If you pull on the pulley with a force of 540 N, how much force does the pulley exert on the tire?