a skate boarder starts from rest and accelerates a distance of 485 m reaching a final velocity of 20 m/s. How long does it take?

A nuclear power plant generates waste thermal energy at a rate of 1000 MW = 1000 * 106 W. Assume the heat of vaporization of a water is 2.256 * 106 J/kg. A.

Calculate the period of a ball tied to a string of length 1.45 m making 3.2 revolutions every second. answer in units of s. your answer must be within ± 2.0%

What are protists and how do scientists describe the Kingdom of organism

An object which has a mass of 70 kg is sitting on a cliff 10 m high. Calculate the object's Potential energy. Given g = 10m/s2 Question 16 options: a) 7,000 Joules b) 3,500 Joules c) 70 Joules d) 35 Joules e) 700 Joules

Which law of motion accounts for the following statement? "A ball hit by a man travels faster than one hit by a boy."

Which is a branch of Earth science? physics ecology chemistry geology

If a bar magnet is falling through a loop of wire, the induced current in the loop of wire sets up a field which exerts a force on the magnet. This force between the magnet and the loop will be attractive when:

Orange juice has a lower or higher viscosity than chocolate syrup

A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 40 m/s. The arriving plane has a length of 40 m.

How much time does it take for a car travelling at 5m/s in 21 metres