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A 2000-kg car moving with a speed of 20 m/s collides with andsticks to a 1500kg car at rest at a stop sign. Show that because momentum is conserved in the rest frame, momentum is also conservedin a reference frame moving with a speed of 10 m/s in the direction of the moving car.
White light shines through a diffraction grating and onto a screen, What is the number of lines per (mm) for this grating and What is the number of lines per (cm)
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the..
A straight horizontal garden hose 22.0 m long with an interior diameter of 1.10 cm is used to deliver 20oC water at the rate of 0.470 liters/s.
A charge 2q is located at the origin. A charge -3q is located at x = d, y = 0, z = 0. Where is the electric field zero
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 35.0 degrees below the horizontal. estimate the length of time the car is in the air
A 1200-kg cannon shoots a 28-kg shell at an angle of 25° above the horizontal and a speed of 470 m/s. What is the recoil velocity of the cannon
A distant galaxy is moving away from the earth with a speed that results in each wavelength received on the earth being shifted so that wavelength = 1.75. Find the speed of the galaxy relative to the earth
If an R = 1.0-k? resistor, a C= 1.0-µF capacitor, and an L = 0.20-H inductor are connected in series with a V = 150 sin (377t) volts source
a ball made of rubber weighing 1kg is thrown at a wall at 6m/s. A ball of putty weighing 1kg is also thrown at the wall at a speed of 6m/s. Which ball transfers the greater momentum to the wall
Three moles of an ideal monatomic gas expands at a constant pressure of 2.90atm ; the volume of the gas changes from 3.00×10?2m3 to 4.40×10?2m3. Calculate the amount of work the gas does in expanding
The atomic mass of 5626Fe is 55.934939 u, How much kinetic energy will the products of the decay have
A truck driver is broadcasting at a frequency of 33.103 MHz with a CB (citizen's band) radio. Determine the wavelength of the electromagnetic wave
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