A ball rolls along the floor with a constant velocity of 6 m/s. How far will it have gone after 50 seconds?

A car initially traveling at 21.4 m/s accelerates at a rate of 4.4 m/s2 for 7.5 seconds. What is the final velocity of the car?

1. The instructor informs Carey that his determination of the wave speed is lower then the actual value. The instructor suggests that he try the first overtone.

7. A flash light bulb is labeled to use 1.22 A and its resistance is 1.30 1. What voltage is the light bulb rated for?

Two companies make baseballs, and each claims that its ball goes farther. Which would be the best scientific evidence to decide which ball goes farther?

Which of the following best compares longitudinal waves with transverse waves? a. both transverse waves and longitudinal waves transfer energy parallel to the direction of motion B.

Under what circumstances can air resistance exercises ignored?

How does friction affect all moving objects?

A force of 5N compresses a spring by 4cm. Find the force constant of the spring.

Which of the following equations are balanced correctly? A: Cu + H2O → CuO + H2 B: Zn + HCl → ZnCl2 + H2 C: 2C4H10 + 13O2 → 8CO2 + 10H2O D: 2Ag2O → 4Ag + O2

Two identical objects are moving directly toward one another at the same speed v. ~v - ~v m m What is the total kinetic energy of the system of the two objects?