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Question: A block of mass m = 5.6 kg, moving on a frictionless surface with a velocity of 6.5 m/s to the right, collides with a block of mass 10.0 kg at rest, as shown in the figure. After the collision, the 5.6-kg block recoils with a velocity of 0.70 m/s to the left. What is the initial velocity of the 10.0 kg block immediately after the collision?
A friend speeds by you in her spacecraft at a speed of 0.770 c. It is measured in your frame to be 4.30m long and 1.50m high. How many seconds elapsed on your watch when she saw 22.0s pass on hers
a placekicker has to kick a football from a point 36.0 m about 40 yards from the goal. half the crowd hopes the ball
A diffraction grating is 25.0 mm wide and has 8,000 rulings (lines). Light of wavelength 656 nm is incident on the grating, and a diffraction pattern is seen on a screen a short distance away. a) What is the distance between adjacent rulings of the g..
an airtight box has a removable lid of area 1.34e-2 m2 and negligible weight. the box is taken up a mountain where the
If the light from the spotlight strikes the mirror at an angle to the normal, what angle to the normal would you expect for the reflected rays.
An AC power generator produces 51 A (rms) at 3600 V. The voltage is stepped-up to 100,000 V by an ideal transformer, and the energy is transmitted through a long-distance power line that has a resistance of 104.
Two point charges are located on the y-axis as follows: one charge q1 = -1.85nC located at y=-0.585m , and a second charge q2 = 3.10nC at the origin (y=0). what is the direction of the total force
An ac generator has a frequency of 4.80 kHz and produces a currentof 0.0400 A in a series circuit that contains only a 232-Ω resistor and a 0.250-µF capacitor. Obtain the voltage of the generator.
Under the assumption that the actual acceleration is constant determine the number of times that the wheel rotates in the interval from the initial time to the final time.
Derive an expression for the gravitational potential energy of a system consisting of Earth and a brick of mass m placed at Earth's center. Take the potential energy for the system by the brick placed at infinity to be zero.
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. If the bewildered hare can accelerate at 8 m/s2 up to his top speed of 17 m/s (38 mi/h) and sustain that s..
a neutron passes two points 1.0 meter apart in 1.0 microsecond. calculate the neutrons energy in units of both joules j
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