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A rocket is fired at a speed of 72.0 m/s from ground level, at an angle of 50.0 ° above the horizontal. The rocket is fired toward an 23.3-m high wall, which is located 36.0 m away. The rocket attains its launch speed in a negligibly short period of time, after which its engines shut down and the rocket coasts. By how much does the rocket clear the top of the wall?
White light, which is a mix of all visible wavelengths in the range of 400 nm to 700 nm, What is the thickness of the plate if the next wavelength for which there is constructive interference is 540.6nm
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 15.0° below the horizontal. Find the length of time the car is in the air
A sphere of mass ofm= 1.40 kg is first placed directly on the plate of an electronic scale. The scale shows 13.73 N as the weight of the object. Calculate the density of the sphere
An alternating emf source with a variable frequency fd is connected in series with a 50.0 ? resistor and a 20.3 ?F capacitor. find the angular speed at which the phasors rotate
Given an RLC circuit where its resistance, capacitance and inductive reactance are all the same, 10 ohms. Is this circuit inductive, capacitive or in resonance? Secondly, if the frequency is doubled, what is the new impedance?
neglect air resistance for the following. a soccer ball is kicked from the ground into the air. when the ball is at a
A worker on the roof of a house deops his 0.26 kg hammer, which slides down the roof at constant speed of 7.46 m/s. The roof makes an angle of 19 dergee with the horizontal, and its lowest point is 23.2 m from the ground.
question a simple harmonic oscillator takes 3.0 seconds to undergo 30 complete vibrations. find the frequency in hz
What is the Reynolds number for the fastest falling ball in the experiment. Use the same data as in problem 1, glycerin density of 1.30 g/cm^3
A 0.66kg mass at the end of a spring vibrates 4.0 times per second with an amplitude of 0.15m. Determine the total energy of the system
A 62-kg skier speeds down a trail. The surface is smooth and inclined at an angle of 22 with the horizontal. Determine the normal force acting on the skier
You are designing a delivery ramp for crates containing exercise equipment. The crates of weight 1470N will move with speed 2.2m/s at the top of a ramp that slopes downward at an angle 25.0degrees.
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