A truck travels up a hill with a 7.9 ◦ incline. the truck has a constant speed of 25 m/s. what is the horizontal component of the truck's velocity? answer in units of m/s.

What happens to reactants when a chemical reaction takes place?

According to the text, there is no energy shortage now, nor will there ever be. what reason (s) is given to support this statement?

Two technicians are discussing how a clutch disengages. Technician A says a gap on each side of the clutch disk facing when disengaged. Technician B says the marcel/cushion plage in the disc will flatten. Who is Correct?

Which quantity refers most directly to the average molecular kinetic energy present in a substance? thermal energy temperature specificheat heat of fusion

A force of 40 Newtons is applied to a mass resulting in an acceleration of 8 m/s2What force would need to be applied to this mass to cause an acceleration of 25 m/s2?

What does it mean when we say an atom has decayed?

The first excited state of a particular atom in a gas is 5.2 eV above the ground state. A moving electron collides with one of these atoms, and excites the atom to its first excited state.

How do your teeth work as a wedge?

According to the Big Bang theory timeline, all matter and energy was compressed into a very small volume at an extremely high temperature. a. True b. False

Sal is thinking about making a positive change in his life. But there are risks involved. Which is the healthiest way that Sal can approach these risks?