A car is travelling at 20 km/hr. It speeds upto 60 km/hr in 6 seconds. What is its acceleration?

Which statement about the positive and negative value of speed compared to velocity is true? A. Velocity in one dimension always has a negative value, while speed always has a positive value. B.

What is the current in a circuit that has voltage of 121.3 V and a total resistance of 56.3 Ohms? Include units.

New York is roughly 3000 miles from Seattle. When it is 10:00 A. M. in Seattle, it is 1:00 P. M. in New York.

Why can certain stars sometimes be identified as eclipsing binary stars?

135,000 kilometers = how many miles?

3. How is electric potential different than electric potential energy?

Ethan pushes a wooden box across a carpet floor then he pushes the same box across a smooth marble floor why does Ethan find it easier to push the box on the marble floor than carpet floor

Let's now apply our equations for the normal modes of open and closed pipes. On a day when the speed of sound is 345 m/s, the fundamental frequency of an open organ pipe is 690 Hz.

Suppose you are an observer standing on the Moon, looking back at Earth. If the moon is in the waxingquarter phase, what phase of the Earth would you see? A. waxing quarter B. full C. new D. waning quarter E. none; the Earth doesn't have phases

How many chromosomes will an elephant's sperm have?