A bullet is fired horizontally at a speed of 50 m/s. What is its initial vertical velocity? A 0 m/s

B25 m/s

C 43.3 m/s

D 50 m/s

The equation for the doppler shift of a sound wave of speed v reaching a moving detector is f? = f v + vd v? vs, where vd is the speed of the detector, vs is the speed of the source, f is the frequency of the source, and f?

Why are some craters on the moon bigger than others

Calculate the fundamental frequency of a 4 meter organ pipe that is open at both ends. assume that the temperature is 20◦c and the speed of the sound is 344 m/s. answer in units of hz.

What is the net force on this object f air = 400n (up) fgrav=600n (down) a (600 newtons) b (400 newtons) c (0 newtons) d (200 newtons)

Trolley A has a mass of 2kg and is moving at 2m/s. It collides with trolley B, which has the same mass but is stationary. What is the momentum of the two trolleys after the collision?

A 5.1 kg black bear cub weighs 49.98 N. The cub is carried by its mother up into the safety of a white pine tree.

Which location is associated with persistent upwelling of cold water to the ocean surface?

What type of electromagnetic radiation is associated with the peaks in this spectrum chem 237?

Why is it necessary to eliminate absolutely all invasive fire ant colonies to eradicate the invasive population? a. Every colony has a major impact on native flora and fauna. b. Because the last colony found is the one housing the invasion's queen.

Imagine a particular exoplanet covered in an ocean of liquid methane. At the surface of the ocean, the acceleration of gravity is 6.20 m/s2, and atmospheric pressure is 7.00 ✕ 104 Pa.