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Problem: A boy throws ball straight upward. It leaves his hand 1.2 m above the ground, and lands at his feet, on the ground, after 1.5 seconds.
Part A: What was the peak height of the ball above the ground?
Please explain steps to find the peak height of the ball above the ground.
A typical American house requires an average 20 kW for heating. Explain how many homes could be heated with the waste heat of this one power plant?
a 150g of aluminum at an initial temperature of 100 c is placed in 1.00 kg of water at 20.0c What is the final temperature of the mixture
An airplane is flying with a velocity of 260 m/s at an angle of 30.0° with thehorizontal, as the drawing shows. When the altitude of the plane is2.0 km, a flare is released from theplane. The flare hits the target on the ground. What is the angleθ?
With an average mass of only 30.0 g, the ouse lemur of Madagascar is the smallest primate on the earth. What is the lemur's tangential speed at that point
A bullet is fired into a large stationary absorber and comes to rest. Temperature measurements of the absorber show that the bullet lost 2080 J of kinetic energy, What is the mass of the bullet
Find out the magnitude and direction of the initial velocity.
A satellite circles a spherical planet of unknown mass in a circular orbit of radius 1.9 x 10^7 m. If the satellite circles the planet once every 2.1 h in the larger orbit, what is the mass of the planet
Four vectors A,B,C ,D and are shown (not to scale). Vector A has magnitude 23.0 and acts at an angle of 14.7 degrees with respect to the positive x axis. find the magnitude and direction of the resultant vector R
A solid, uniform disk of radius 0.250 m and mass 61.6 kg rolls down a ramp of length 4.60 m that makes an angle of 16° with the horizontal. Find the angular speed of the disk at the bottom of the ramp
A rifle bullet of mass 8.6 g is fired into a 1.23 kg block where it becomes embedded. what was the initial speed of the bullet
question1a jet plane lands with a velocity of 112 ms and can accelerate at an utmost rate of -5.50 ms2 as it comes to
Calculate the peak electric field inside a 645 Watt microwave oven under the simplifying approximation that the microwave propogates a plane wave through the oven's 740 cm2 cross-sectional area
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