Which of the following are voltage sources?

a. ohm's law

b. resistance

c. electric charge

d. batteries and wall sockets

A baseball (m = 145 g) approaches a bat horizontally at a speed of 36.0 m/s (80.5 mi/h) and is hit straight back at a speed of 47.8 m/s (107 mi/h). If the ball is in contact with the bat for a time of 1.

If you go 4.0 meters in 2 seconds what is your speed?

Determining wavelength An infrared wave traveling through a vacuum has a frequency of 4.0 1014 Hz. What is the wave's wavelength? 75 x 107 m 7.5 x 10-7m 12 x 1014 m 1.2 x 10-14 m

Convert planks constant in cgs system

A stone is thrown vertically upward with a speed of 35.0 m/s a) Howfast sit moving when it reaches a height of 13.0m How much time is required to reach this height? Wht s the maximum height it will reach? Explain why there are two answers for part 3

Explain with the stars look like to Jane. Explain what the stars look like to John. Explain why the stars look different between Jean and John.

Why is the statement "we evoleved from monkeys" false?

A group of lions is chasing a zebra. The lions are most likely responding to which kind of stimulus

A ray diagram is shown What does e, represent? index of refraction index of reflection angle of incidence angle of refraction Mark this and retum Submit Save and Exit

Which renewable resource could become a nonrenewable resource if used faster than Earth's ability to replenish its supply? A. water B. manganese C. sunlight D. wind