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You are on a roof, 14.0 m above ground. Dr singer who is 1.78 m tall is 5.0m from the building entrance. You wish to hit Dr singer on the head with an egg by throwing it horizontally from the building edge.Ignore air resistance.
a. How fast should you throw the egg to hit him in the head?
b. How long is the egg in the air?
How many atoms of helium gas fill a spherical balloon of diameter 30.6 cm at 22.0°C and 1.00 atm, What is the average kinetic energy of the helium atoms
A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. He reports hearing two successive resonances at 50.5 Hz and 59.5 Hz. How deep is the well
The two stick together and move off with a speed of 4.0 m/s. Evaluate what is the mass of the second car?
A lottery machine uses blowing air to keep 2000 Ping-Pong balls bouncing around inside a 1.0m X 1.0m X1.0m box. What is the mean free path between collisions
You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0 m above the ground
As a new electrical technician, you are designing a large solenoid to produce a uniform 0.250Tmagnetic field near its center. What current will you need to produce the necessary field
A slingshot fires a pebble from the top of a building at a speed of 14.0 m/s. The building is 28.0 m tall. Ignoring air resistance, find the speed with which the pebble strikes the ground
A banked circular highway curve is designed for traffic moving at 77-km/h. The radius of the curve is 153 m. Traffic is moving along the highway at 46-km/h on a rainy day. What is the minimum coefficient of friction between tires and road that wil..
An object is placed 6.00cm to the left of a converging lens of focal length 8.00 cm. obtain the position of the final image
The back wall of a home aquarium is a mirror that is a distance of 33.0 cm away from the front wall. The walls of the tank are negligibly thin, Calculate the apparent distance between the fish and the front wall
question1a small metal sphere carrying a net charge of -3.00 is held in a stationary position by insulating supports.
An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistle is 445 Hz, calculates the speed of the train
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