Which factors affect friction between two solid surfaces? Check all that apply. the weight of the objects the surface area of the objects the shape of the objects the roughness of the objects' surfaces

What is heat? Describe how you could made a sound wave have a higher pitch. Describe how you could make a sound wave have a higher volume.

What does a kidney do

Fill in the blanks to complete each statement about the heating of Earth's surface. Earth takes in thermal energy from the Sun in a process called Sunlight strikes Earth's surface at different angles. This angle is called the angle of Done Intro

A quarterback throws the football to a stationary receiver who is 16.1 m down the field. the football is thrown at an initial angle of 38.1 ◦ to the ground. the acceleration of gravity is 9.81 m/s 2. a.

What radius should the satellite move at in its orbit? (measured frrom the center of mars.) ?

What is the force required to accelerate a baseball with a mass of 0.145 kilograms and an acceleration of 35.00 meters/second squared?

A 4.00 kg stone is dropped from a height of 145 m. What is the stone's potential and kinetic energy respectively when it is 50.0 m from the ground?

If the speed of a vehicle was reduced from 65 miles per hour to 35 miles per hour, by approximately how many kilometers per hour was the speed reduced? (1 kilometer = 0.62 mile, rounded to the nearest 0.01 mile)

What is the acceleration rate of an object if the amount of force applied on the object is 75 Newtons and the object has a mass of 15 kilogram?

Two children pulling the rope with the same force in opposite direction is that an unbalanced force or a balanced force