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A block of mass 7.37 kg in outer space is moving at 1.82 m/s by no external forces acting on it. After an explosion, the block is split into two parts both having mass equal to half the mass of the original block. The explosion supplies the two masses by an additional 15.3 J of kinetic energy. Neither mass leaves the line of original motion. Compute the magnitude of the velocity of the mass that is moving at a greater velocity.
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gasses called air. how many gas molecules does the flask contain
if the explorer now takes 59 steps northeast then 38 steps 60 degrees north of west then 89 steps due south how many
A 120 V potential difference is applied to a space heater whose resistance is 16 Ω when hot. (a) At what rateis electrical energy transferred to thermal energy?(b) What is the cost in cents for 5.3 h at US5.0¢/kW·h?
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure, evaluate the change in internal energy of the gas
A Styrofoam cup holding 109 g of hot water at 1.00 x 10 Ccools to room temperature 21.8 C, What is the change in entropy of the room
What is the period of revolution of a satellite with mass that orbits the earth in a circular path of radius 7840? Take the gravitational constant to be = 6.67×10-11 and the mass of the earth to be = 5.97×1024 .
A uniform electric field with a magnitude of 6*10^6 N/C is applied to a cube of edge length 0.1 m. what is the electric flux passing through the shaded face of the cube
question a circular loop of wire of radius 0.50 m is in a uniform magnetic field of 0.30 t. the current in the loop is
in a double-slit interference experiment the wavelength is 478 nm the slit separation is 0.140 mm and the screen is
a piston of mass m can move without friction inside a long vertical cylinder sealed from the bottom and opened from the
A scuba tank has a volume of cm2. For every deep dives, the tank is filled with (by volume) pure oxygen and 50% pure helium. What is the ratio of the rms speeds of the two types of molecules
A state trooper chases a speeder along a straight stretch of road;both vehicles move at 160 km/h. What is the Doppler shift in the frequency heard by the speeder
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