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A golf ball is driven from a level fairway. At a time of 5.32 s later, the ball is traveling downward with a velocity of 55.2 m/s at an angle of 26.0° below the horizontal. Neglecting air resistance, calculate the initial velocity (magnitude and direction) of the golf ball. Magnitude: m/s
The boiling point of water at 1 atm is 373 K. What is the volume occupied by water gas due to evaporation of 12 g of liquid water at 1 atm and 373 K
A microscope is focused on a black dot. When a 1.15 cm-thick piece of plastic is placed over the dot, What is the index of refraction of the plastic
A tungsten target is struck by electrons that have been accelerated from rest through a 62.0-kV potential difference. Find the shortest wavelength of the radiation emitted
A snowboarder is pulled by a tow rope along a horizontal surface with a constant force of 60 N. How far must the boarder be pulled, starting from rest, so that her final kinetic energy is 500 J.
What is final speed of the block
A mass-spring system oscillates on a horizontal frictionless surface with an amplitude of 3.06 cm. If the spring constant is 260 N/m and the mass is 0.470 kg, determine the mechanical energy of the system
Imagine removing one electron from every atom in a tiny cube of gold 1 mm on a side. (Never mind how you would hold the resulting positively charged cube together.) Do the same thing with another such cube a meter away.
A circuit consists of an idealized 166 mH inductor and a 45.8 muF capacitor. What is the natural (linear) frequency of the circuit if the capacitor is first charged to 161 muC, What is the maximum energy stored in the inductor
A 7.1kg rope hangs from the ceiling. What is the tension at the midpoint of the rope
An ambulance with a siren emitting a whine at 1530 Hz overtakes and passes a cyclist pedaling a bike at 2.55 m/s. How fast is the ambulance moving
10g of lead (specific heat = 0.128 J/g C) at 100 C is placed on a glacier of ice at 0 C. How much ice melts
Eddie the Eagle, British Olympic ski jumper, is attempting his most mediocre jump yet. What was the magnitude of Eddie's initial velocity as he left the ramp
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