These are equal and opposite forces that do not cause change in position or motion.

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Which of these is a part of the biosphere? a. wind b. lakes c. bacteria d. glaciers

A brisk walk has a constant speed of 1.7 m/s. how far could a person walk in 160 seconds?

A proton and an electron are released from rest, with only the electrostatic force acting. Which of the following statements must be true about them as they move toward each other? (There could be more than one correct choice.) Check all that apply.

Which property of coal makes it ideal for use in a power plant? Check all that apply. It burns easily. It makes ash. It is renewable. It produces a lot of energy. It contains mercury.

Which trend in the Hertzsprung-Russell diagram indicates stellar evolution? A. increasing temperature and luminosity B. decreasing temperature and luminosity C. increasing temperature and decreasing luminosity D.

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?