Explain why the friction force between two surfaces increases if the force is pushing the surfaces together increases.

So once i was 7 i asked my mom what will it take to add velocity to a bike she said force so what is the equation to solve speed with velocity

What does one calorie measure? A. he amount of heat required to raise the temperature of 1 gram of water 1 degree Celsius B. amount of mass that contains 1 joule of energy C.

What scientific practice is this? 1) collecting data 2) asking a question 3) providing explanations 4) communicating results

How long will it take a car to accelerate from 15.2 to 23.5 m/s if the car has an average acceleration of 3.2 m/s?

In a cell what substance is analogous to a factory manger and where would it be found?

What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

When two or more pure substances are blended together the result is a?

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.