What is the relationshop between a pure substance and a mixture

A 2.3 kg box, starting from rest, is pushed up a ramp by a 10 N force parallel to the ramp. The ramp is 2.0 m long and tilted at 17â. The speed of the box at the top of the ramp is 0.80 m/s.

A 20 newton force moves an object southeast. What two properties of force have been described? A. magnitude and position B. direction and mass C. direction and magnitude D. magnitude and displacement

If you traveled through space and landed on an unknown planet where gravity is 15 times as strong as the gravity on Earth, how much would you weigh on this new planet if you weighed 100 pounds on Earth?

What happens to the Connecticut Energy of a snowball as it rolls across the lawn and gains mass?

The si unit of pressure is the

an electric clothes dryer has a resictance of 16 Ohms it drawes 15 A of current what is the voltage in volts of the wall outlet that it is pluged into

A lorry with a mass of 5000kg accelerates to overtake a caravan on the motorway. Its acceleration is 1.5m/s². What force must the engine be providing? You can ignore the effects of friction and air resistance

Norma kicks a soccer ball with an initial velocity of 10.0 meters per second at an angle of 30.0% if the ball moves though the air for 3.2 seconds what's the horizontal distance traveled by the ball

Suppose s (t) is the position of an object moving along a line at time t is greater than or equal to 0. What is the average velocity between the times t=a and t=b? What is the instantaneous velocity at t=a?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. suppose that the mower moves with a 1-km/h speed, has a 0.5-m width, and a field is 360 ft long and 160 ft wide. 1 m = 3.281 ft.