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A 3-kg cart moving to the right with a speed of 5.9 m/s has a head-on collision with a 5-kg cart that is initially moving to the left with a speed of 1.0 m/s. After the collision, the 5-kg cart is moving to the right with a speed of 1.5 m/s. What is the final velocity of the 3-kg cart?
three point objects with net charge of q1 78 microc q2 47 microc and q3 -80 microc respectively are placed along a
Consider a conical pendulum with a bob of mass m = 68.0 kg on a string of length L = 10.0 m that makes an angle of ? = 7.00° with the vertical. Determine the radial acceleration of the bob
It is said that Galileo discovered a basic principle of the pendulum - that the period is independent of the amplitude - by using his pulse to time the period of swinging lamps, How long is the lamp chain
a vessel at rest explodes breaking into three pieces. two pieceshaving equal mass fly off perpendicular to one another
An electron traveling horizontally to the right enters a region where a uniform electric field is directed downward. What is the direction of the electric force exerted on the electron once it enters the electric field? A. to the left B. to the ri..
Visible light passes through a diffraction grating that has 900 slits per centimeter, and the interference pattern is observed on a screen that is 2.56 m from the grating. In the first-order spectrum, maxima for two different wavelengths are separ..
A helicopter lifts a 72 kg astronaut 19 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/12. How much work is done on the astronaut
A 70kg skateboarder comes over the top of a hill at 6.0m/s and reaches 12m/s at the bottom. Find the total work done on the skateboarder
the drawing shows six point charges arranged in a rectangle. the value of q is 9.5 microc and the distance d is 0.14 m.
A 60 kg barrel is lifted 2.0 m in the air using a pulley system with a mechanical advantage of 3. How much work does the person do lifting the barrel
An alpha particle (charge +2e, mass 6.64 x 10^-27) moves head-on ata fixed gold nucleus (charge +79e). If the distance of closest approach is 2.0 x 10^-10m, what was the initial speed of the alpha particle?
In an internal combustion engine, the air-fuel mixture at the end of the ignition phase has volume 7.34×10?4 m3, what is the final pressure after the expansion
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