An object with a mass of 2.0 kg accelerates 2.0 m/s2 when an unknown force is applied to it. What is the amount of the force?

What is the distance between ground to the lowest clouds?

In general, which type of scientific knowledge or understanding is least well supported?

What is the best description of sound waves? a. A source vibrates up and down, causing air molecules to move up and down perpendicular to the direction the wave is transmitted . b.

The pressure of water on the ground floor in a building is 50000 pa, and at the first floor it is 20000 pa. Taking the density of water as 1000 kgm-3, find the height of the first floor

The measured value of the speed of light is about 300,000 km/s. suppose a futuristic space train is traveling at 200,000 km/s with its headlights on. if you could measure the speed of the light from the headlights, you would find it to be

Explain the difference between strength, muscular endurance and power

You kick a ball with a speed of 18 m/s at an angle of 32 degrees. How far does the hall land?

Sound waves move through some liquid at a speed of 1500 m/s. If the wavelength is 3 m, what is the frequency of the wave?

What is the wavelength of radar waves with the frequency of 6.0 x 10 ^10 Hz?

a machine is required to produce and output force of 600 newtons. if the machine has a mechanical advantage of 6, what input force must be applied?