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A transmission diffraction grating 420 lines/mm is used to study the light intensity of different orders (n). A screen is located 2.5m from the grating. What is the separation on the screen between the three brightest red lines for a hydrogen source?
A 25kg solid door is 220cm tall, 91cm wide. What is the door's moment of inertia for rotation about a vertical axis inside the door, 15cm from one edge.
A charged cloud system produces an electric field in the air near Earth's surface. A particle of charge -1.7 x 10-9 C is acted on by a downward electrostatic force of 3.0 x 10-6 N when placed in this field. What is the gravitational force on the pr..
Consider an organ pipe 2.1 m long that is closed at one end and open at the other. What is the fundamental frequency of the pipe
If a person of mass M simply moved forward with speed V, his kinetic energy would be1/2 MV^2. However, in addition to possessing a forward motion, What is the average angular velocity of his arms and legs
A 1500-kW heat engine operates at 25 percent efficiency. The heat energy expelled at the low temperature is absorbed by a stream of water that enters the cooling coils at 20 degrees C. If 60 L flows across the coils per second, determine the incre..
A child is sitting on the outer edge of a merry-go-round that is 18 m in diameter. If the merry-go-round makes 4.9 rev/min, what is the velocity of the child in m/s
What is the acceleration in m/s of a 0.001kg bullet if the force of recoil gives an acceleration of 4.390 m/s? The gun has mass of 0.20 kg.
The distance between the plates of a parallel plate capacitor with air between the plates is 9 mm. what is the new energy stored in the capacitor
In the Bohr model, as it is known today, the electron is imagined to move in a circular orbit about a stationary proton. find what would be the corresponding orbital radius
A volleyball is spiked so that its incoming velocity of +4.2 m/s is changed to an outgoing velocity of -24 m/s. What impulse does the player apply to the ball
A small solid ball of mass M and radius R rolls without slipping on the track whose height y as a function of horizontal position x is given by y=ax^2 where a is a constant with the units of inverse length. Find an expression for the period of the ..
The surface of the Sun has a temperature of 5500 C and the temperature of deep space is 3.0 K. Find the entropy increase produced by the Sun in one day, given that it radiates heat at the rate of 3.80x10^26 W.
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