A note on a piano vibrates 262 times per second. What is the period of the wave?

Calculate the weight (force of gravity) of a 10 kg child. A. 10 N B. 98 kg C. 10 kg D. 98 N

Your nerf dart gun is able to shoot a suction cup dart at a speed of 5 m/s. Your room is 3 meters across. You want to shoot your dart gun horizontally and hit the bulls-eye.

When was the first ozone hole discovered

Which choices are characteristics of fungi. Choose all that are correct A. Reproduce through spores B. Photosynthesize C. Have flagella that some stage D. Get nutrients from other organisms

Can a Fidget Spinner spin under water?

An object is undergoing shm with period 0.900 s and amplitude 0.320 m. at t = 0 the object is at x = 0.320 m and is instantaneously at rest. calculate the time it takes the object to go (a) from x = 0.320 m to x = 0.160 m and (b) from x = 0.

Your friend states in a report that the average time required to circle a 1.0-mi track was 49.325 s. This was measured by timing 10 laps using a stopwatch with a precision of 0.01 s. Do you believe his results are reliable? Explain.

The forklift exerts a 300.0 N force on the box and moves it 15.0 m into the air. How much work does the forklift do? A. 500 J B. 1.50 * 10^3 J C. 4.50 * 10^3 J D. 0.00 J

Why the room gets hot even we open the door of refrigerator?

What effect will taking a dose of antibiotics that is too small have on the bacteria you are trying to destroy? a. all of the bacteria will pass on their genes b. none of the bacteria will pass on their genes c.