An object experiences an acceleration of 9.8 m/s over a distance of 210 m . after that acceleration it has a velocity of 380 m/s. what was it’s velocity before being accelerated

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Aman tries to push a box of mass 4 kg with a force of 5 n but the box remains stationary if the coefficient of static friction is 0.45, what is the value of the maximum force of friction?

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy