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A 38 g bullet strikes a 0.65 kg block attached to a fixed horizontal spring whose spring constant is 6.2 x 103 N/m and sets it into vibration with an amplitude of 23 cm. What was the speed of the bullet before impact if the two objects move together after impact?
a 0.75-kg mass moving with a speed of 5.0 ms encounters a 0.25-kg mass moving in the opposite direction with speed 5.0
Two narrow slits 3 mm apart are illuminated with light from a sodium lamp (lamda = 589 nm), What is the thickness of this glass
Two spaceships approach Mars from the same direction. One has a speed of 0.2c, What is the speed of one spaceship relative to the other
A mass of 500kg, with a velocity of 25m/s, hits a stationary mass of 200kg. The masses stick together after the collision. What is the velocity of the masses after the collision
50 g ball travelling at 25.0 m/s is bounced off a brick wall and rebounds at 22.0m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.51 ms, what is the average acceleration of the ball throughout this time inter..
a soccer player kicks the ball toward a goal that is 11.0 m in front of him. the ball leaves his foot at a speed of
A 16.0 microF capacitor and a 5.20mH inductor are connected in series with an open switch. What is the angular frequency of the charge oscillations in the capacitor after the switch is closed
A block of mass M hangs from a spring having spring constant k = 12 N/m and oscillates up and down with simple harmonic motion. What is the mass of the block
If the average velocity of an object is nonzero in some finite time interval, which of the following must be true during this interval? (Select all that apply.)
The drawing shows four point charges. The value of q is 1.83 µC, and the distance d is 0.99 m. Find the total potential at the location P
At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls away, What is the source of the centripetal force acting on the riders
When any radioactive dating method is used, experimental error in the measurement of the sample's activity leads to error in the estimated age. In an application of the radiocarbon dating technique to certain fossils, an activity of 0.10 Bq per gr..
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