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A two-stage rocket moves in space at a constant velocity of +4920 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1200-kg upper stage is +5980 m/s. What is the velocity (magnitude and direction) of the 2020-kg lower stage immediately after the explosion?
A 0.590-kg slab of granite isheated so that its temperature increases by 7.10° C. what is the specific heat of granite
A 2.50 cm by 2.50 cm parallel-plate capacitor has a 2.30 mm spacing. The electric field strength inside the capacitor is 6.00×10^4. What is the potential difference across the capacitor
A laser beam is incident on two slits with a separation of 0.210 mm, and a screen is placed 4.80 m from the slits. find the wavelength of the laser light
A .221T magnetic field in a massspectrometer causes an isotope of sodium to move in a circular path with a radius of .06 m. The charge on an ion is 1.60218e-19 C.If the ions are moving with a speed of 19500 m/s, what is the isotope's mass?
You have a different system of unknown cart mass upon a level surface. The cart travels 165 [cm] in an unknown time period. The change in Kinetic Energy is -0.108845 [J]. What is the force of friction measured in Newtons?
Near San Francisco, where the vertically downward component of the earth's magnetic field is 4.7 multiply.gif 10-5 T, Find the emf induced between the two sides of the car
An observer detects two explosions, one that occurs near her at a certain time and another that occurs 2.00 ms later 100 km away. Another observer finds that the two explosions occur at the, same place. What time interval separates the explosions to ..
A student (m = 58 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s. From what height did the student fall
a positively charged particle with a charge of 8.65pc is suspended in equilibrium in the electric field between two
q1. an aluminium cup of 180 cm3 capacities is totally filled with glycerin at 18deg c. how much glycerin in cubic cm
An empty capacitor is capable of storing 1.0 × 10-4 J of energy when connected to a certain battery. If the distance between the plates is halved and then filled with a dielectric, how much energy could this modified capacitor store when connected..
A 2.16 kg solid sphere (radius = 0.120 m) is released from rest at the top of a ramp and allowed to roll without slipping. what is its total kinetic energy
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