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Light has a wavelength of 600nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the WAVELENGTH of the light in the glass?
An automobile traveling at 40.0 km/h has tires of 50.0 cm diameter. How far does the car move during the braking
Even as exploring a sunken ocean liner, principal researcher found the absolute pressure on the robot observation submarine at the level of the ship to be about 413 atmospheres. The density of seawater is 1025kg/m^3.
A playground merry-go-round has radius 3-{rm m} and moment of inertia 3000-{rm{ kg}} cdot {rm{m}}^2 about a vertical axle through its center, and it turns with negligible friction.
A child on a boat throws a 5.40 kg package out horizontally with a speed of 12.0 m/s. determine the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 26.5 kg and the mass of boat is 55.5 kg.
Choose one part of the photo-electric experiment that cannot be explained by assuming that light is a wave. Why do we need the concept of light as a particle?
Charge of -3.30 nC and a charge of -6.25 nC are separated by a distance of 40.0 cm. Find out the position at which a third charge of +7.60 nC can be placed so that the net electrostatic force on it is zero.
W hat is the velocity of the gasoline in the tube
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. (a) How many electrons are there in 9.42 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3) (b) What is the net charge of all these electrons?
Two objects attract each other gravitationally with a force of 3.1×10?10N when they are 0.45m apart. One of the object has a mass of 2.0kg. Find the mass of the other object
An electric car is being designed to have an average power output of 4,900 W for 2 h before needing to be recharged, How much energy would be stored in the charged batteries
A 13 kg bucket of water of is suspended by a rope wrapped around a windlass that is a solid cylinder 0.400 m in diameter with mass 14.0 kg. The cylinder is pivoted on a frictionless axle through its center.
A 25 g bullet strikes and becomes embedded in a 1.65 kg block of wood placed on a horizontal surface just in front of the gun, what was the muzzle speed of the bullet
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