physic 20

physic 20

physic 20

A typical flying insect applies an average force equal to twice its weight during each downward stroke while hovering. Take the mass of the insect to be 10g, and assume the wings move an average downward...

A jet plane can travel at a speed of 500 miles per hour how far will the plane get if it flies at full speed for 4 1/2 hours

Two airplanes leave an airport at the same time. The velocity of the first airplane is 720 m/h at a heading of 45.5 ◦ . The velocity of the second is 610 m/h at a heading of 153◦...

I have no idea what this is asking lol help

To win the game, a place kicker must kick a football from a point 28 m (30.6208 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves...

Two airplanes leave an airport at the same time. The velocity of the first airplane is 700 m/h at a heading of 11.6 ◦ . The velocity of the second is 560 m/h at a heading of 127◦...

Cliff divers at Acapulco jump into the sea from a cliff 36 m high. At the level of the sea, a rock sticks out a horizontal distance of 10.4 m. The acceleration of gravity is 9.8 m/s 2...

A ball is thrown horizontally from the top of a building 100 m high. The ball strikes the ground 54 m horizontally from the point of release. What is the speed of the ball just before...

A runner moves with a velocity of 3m/s due east for 60 seconds. the runner then comes to rest for 30 second, then turns around and heads due west with a velocity of 4m/s for 60 seconds.

An airplane travels with a speed of 195m/s for 5 hours.

You are an astronaut visiting Titan, a moon of Saturn, and throw a rock vertically upwards. The rock leaves your hand at 7.50 m/s, and after the rock has risen 7 m, you measure it to have an upwards...

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The velocity of a train is reduced uniformly from 54.0km/h to 25.0km/h while traveling a distance of 90.0m. Compute the acceleration.

Can all five objects have the same mass and surface area and are the same shape, but different volume and densities? Why/why not?

An electron in a cathode-ray-tube (CRT) accelerates at a constant rate from 17800 m/s to 4.18 × 106 m/s over 1.02 cm. How long does the electron take to travel this distance?

In a 3 km race, a runner completes the first km in 6 minutes, the second km in 7 minutes, and the final km in 7 minutes. The average speed of the runner for the race is approximately what? A)...

The choices A) 40 m B) 4 m/s East C) 40 m East D) 40 m/s

A person in an airplane traveling 50 m/s to drop supplies to flood victims on an island 200m below. How many seconds before the plane is overhead should the supplies be dropped?

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