During the course of trajectory, the horizontal component of the velocity is?

constant

increasing

decreasing

negative

The quarterback throws a football at 25 m/s at a certain angle above the horizontal. If it took the ball 2.5 s to reach the top of its path, how long was it in the air?

Onur drops a basketball from a height of 10m on Mars, where the acceleration due to gravity has magnitude of 3.7 m/s^2. We want to know how many seconds the basketball is in the air before it hits the ground. We can ignore air resistance.

If an atom has 17 electrons and its mass is 35, calculate the following: # of protons, atomic numbers and number of neutrons ...

The water-ice particles forming Saturn's rings are frozen together into a thin sheet that rotates around Saturn like a solid body. A. True B. False

What interests you the most about Social Psychology? What do you think is one of the most aggravating issues that our society faces nowadays?

When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?

Calculate the angle of refraction of 30.0° light shines from water into ice. The indices of refraction for water and ice are 1.36 and 1.31, respectively. A) 19.8° B) 31.3° C) 40.9° D) 64.0°

What is the length of a simple pendulum with a period of 2.0 s?

How many electrons are necessary to produce 1.0 c of negative charge? (e = 1.60 Ã 10-19 c) ?

A car is traveling at 64 ft/s when the brakes are fully applied, producing a constant deceleration of 18 ft/s2. What is the distance covered before the car comes to a stop? (Round your answer to one decimal place.)