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A player kicks a soccer ball towards the goalkeeper, but at an angle of 37 degree to the horizontal and with an initial speed of 14.7m/s The goalkeeper stands 26 m from the kicker. Where will the ball land relative to the goalkeeper?
a hockey puck of mass m and radius r slides across frictionless ice. it has translational speed v to the right and
A block of weight W can slide on a horizontal surface. A force of W/n1 is applied to the right that causes the block to accelerate with acceleration equal to g/n2. g is the acceleration by reason of gravity. If the coefficient of kinetic friction is ..
The greatest height reported for a jump into an airbag is 99.4 m by stuntman Dan Koko. determine how fast he would have been traveling on impact had air resistance been absent
The pendulum in a grandfather clock is made of brass and keeps perfect time at 20?C. How much time is lost in a year
A 663 kg elevator starts from rest it moves upward 2.7s with aconstant acceleration until it reaches its cruising speed of 1.63m/s, What is the power during an upward cruise with constant speed
An ore sample weighs 17.50 N in air. When the sample issuspended by a light cord and totally immersed in water, Find the total volume and the density of the sample
The question reads: A spaceship is approaching a space station at aspeed of 1.8 x 105 m/s. What is the change in frequency
Light of wavelength 0.533 µm (in air) enters the water in a swimming pool. What is the wavelength of the light in water
Use the semi-infinite-well potential to model a deuteron, a nucleus consisting of a neutron and a proton. How many excited states are there
A monatomic ideal gas is held in a thermally insulated container with a volume of 0.0850m^3 . The pressure of the gas is 105kPa , and its temperature is 357K a)To what volume must the gas be compressed to increase its pressure to 150kPa b)At what ..
A small wooden block with mass 0.875kg is suspended from the lower end of a light cord that is 1.80m long. What was the initial speed v0 of the bullet
A light spring-gun projectile launcher is mounted on an 0.533 kg air track glider. What is the speed of the air-track glider after the gun is fired
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