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Two identical cars (m = 1350 kg) are traveling at the same speed of 18.9 m/s. They are moving in the directions shown in the drawing. What is the magnitude of the total momentum of the two cars?
Car 1 is 60 degrees north of west and car 2 is 30 degrees from east of north.
The Lyman series results from transitions of the electron in hydrogen in which the electron ends at the n=1 energy level. calculate the wavelengths of the photons emitted in the transitions from the energy states
David is driving a steady 21.0 when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant when David passes. How far does Tina drive before passing David.
The rms current in a solenoid is 0.036 A when the solenoid is connected to a 18 kHz generator. What is the peak voltage of the generator
Sirius has a luminosity of 8.4 * 10^27 Watts and a mass of 2.1 times the mass of the Sun, How much hydrogen does Sirius convert into helium each second
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What is the highest point in meters that the ball will reach
One way to measure on another planet or moon by remote sensing is to measure how long it takes an object to fall a given distance. A lander vehicle on a distant planet records the fact that it takes 3.17 for a ball to fall freely 11.26.
Two waves with identical frequency but different amplitudes A1= 5.0cm and A2 = 3.0 cm, what is the amplitude of the resulting wave if they interfere constructively
An airplane accelerates down a runway at 3.20 m/s2, finally lifts off the ground Determine the distance traveled before takeoff?
A stone is dropped at t = 0. A second stone, with 2 times the mass of the first, is dropped from same point at t = 190 ms. (a) How far below the release point is the center of mass of two stones at t = 390 ms? (Neither stone has yet reached the gr..
The first-order principal maximum produced by a grating is located at an angle of ? = 15.0 degrees. What is the angle for the third-order maximum
A uranium and iron atom reside a distance R = 54.70 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized. find the magnitude of the force on the electron from the uranium ion
The speed of an object is known to be 3.0 X 108m/s. You measure the velocity of the object during an experiment, find the percent error associated with these two values
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