Why would machine-operated stopwatches be used at sports events instead of hand-operated stopwatches?

If a person walks 1km north, 5 km West, 3km south and 7km east, find the resultant displacement vector

How much power is needed to lift the 200-N object to a height of 4 m in 4 s?

n outer space, a constant net force with a magnitude of 140 N is exerted on a 32.5 kg probe initially at rest. A) What acceleration do es this force produce? B) How far does the probe travel in 10 s?

Imagine that you have a 6.50 l gas tank and a 4.50 l gas tank. you need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.

is the process in planetary formation when heavy materials sink toward the planet's center lighter materials accumulate near its surface. A. Superposition B. Orogeny C. Differentiation D. Ratification

1. f= 2. v= 3. 2 = 4. T= 8 m/s 8 sec 8 Hz 8 m Match the letters with the measurements

A skier speeds down a smooth ski slope which is at an angle of θ = 23° with the horizontal. The mass of the skier is 71 kg. Take the downhill direction to be positive and uphill to be negative.

An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.0 m/s in 3.30 s.

Why do skiers often wear sunglasses while they are skiing

The amount of gravitational force exerted on each other between two objects depends on their A) mass and distance. B) mass and diameter. C) distance and volume. D) distance and location. Eliminate