How long will it take a runner to travel a distance of 1000 m at a speed of 12 m/s?

A weightlifter can lift 220lbs. (assume 1kg weighs 2.2lbs) If he lifts the weight 2m above the floor, how much work did he do? Follow up: if the weightlifter lifts the weight 1.2 seconds, how much power does he generate?

Which of the following represents an example of aerobic cellular respiration? 1. nitrogen + oxygen + glucose → methane + carbon 2. dioxide water + carbon dioxide + energy → glucose + oxygen + water 3.

A 2000kg coaster is released 40 meters above the ground on a frictionless track. What is the approximate speed at ground level?

The pump in a water tower raises water with a density of rhow = 1.00 kg/liter from a filtered pool at the base of the tower up hT = 21 m to the top of the tower. The water begins at rest in the pool and comes to rest at the top of the tower.

When a car is at rest, its horn emits a frequency of 600 Hz. A person standing in the middle of the street hears the horn with a frequency of 580 Hz. Should the person jump out of the way?

Marcia ran at a speed of 3.50 meters per second. How fast was she running in kilometers per hour?

What is the gravitational force related to the distance between two objects?

How does a rilling can work

The energy content of a certain food is to be determined in a bomb calorimeter that contains 3 kg of water by burning a 2-g sample of it in the presence of 100 g of air in the reaction chamber. If the water temperature rises by 3.

If one side of switch is open and another one closed so what gone happen