What do fixed pulleys always do?

If root-mean-square voltage of a supply is 240 V, calculate the maximum voltage of the supply (a) 169.7 V (b) 240 V (c) 339.4 V (d) OV

What do you use to measure newtons/energy?

What is sharp jagged mountains cause by faulting called

What does the term "basic unit of matter" refer to? Select one of the options below as your answer: a. Atoms b. Elements c. Molecules

Two cars collide at right angles. Car 1 (mass 1,100 kg) is going north with a speed 31 m/s. Car 2 (mass 1,200 kg) is moving east with a speed 19 m/s. The cars stick together after the collision.

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.

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?