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A car starts from rest at a stop sign. It accelerates at 2.0m/s.s for 9.0s, and then slows down at a rate of 1.5m/s.s for the next stop sign. how much time does it take to travel from the first stop sign?
The potential at location A is 376V. A positively charged particle is released there from rest and arrives at location B with a speed vB.
If the car is going 55m/s, how many meters will it travel before it stops? How many meters will it takes to stop car going twice as fast.
Suppose that the wavelength measurement gives lambda = 6000Å with an accuracy of delta lambda/lambda=10^-6. Determine the de Broglie wavelength of a photon with a KE of 50 keV
a 0.15 kg ball hits a wall with a velocity of 4.00 ms 5.50 ms 6.00 ms . it rebounds from the wall with a velocity of
Two containers contain the same gas at different temperatures and pressures, as indicated in the figure. The small container has a volume of 2 L, and the large container has a volume of 4 L.
An 87 g piece of metal is heated to 98°C and located into 200 mL of water insulated at 20°C. If the equilibrium temperature is 26.64. Determine the heat gained by the water
three charged particles are fixed to an x axis particle 1 of charge q1 2.1e-8 c is at position x20 cm and particle 2
A projectile is launched from a cliff 10 m high at a velocity of 40m/s in such a direction as to strike the top of a 30 m tower 100 m away in 2.951 seconds. Calculate the value of the angle
A computer hard drive disk with a diameter of 3.5 inches rotates at 7200 rpm. Find the tangential speed in m/s of a point on the disk under the read head
A long ladder rests on the ground and against a frictionless roller at the top of a wall of height h=12.0m. The mass of theladder is 50.0kg, its center of mass is one third of the way up theladder, and its length is 18.0 m.
When the plunger is pushed, contents of the syringe are forced throughout a hollow needle (also of circular cross-If a 4.0 N force is applied to plunger and diameters of the plunger and the needle are 1.20 cm and 2.50 mm, correspondingly, what force ..
You decide to build a pipe organ out of PVC pipe, in your room at home. Estimate whether your organ could produce notes covering the entire range of human hearing, and still fit inside your room (without bending any of the pipes). If not, what is ..
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