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The cheetah can reach a top speed of 114 km/h (71 mi/h). While chasing its prey in a short sprint, a cheetah starts from rest and runs 49 m in a straight line, reaching a final speed of 91 km/h.
(a) Determine the cheetah's average acceleration during the short sprint.
(b) Find its displacement at t = 3.2 s. (Assume the cheetah maintains a constant acceleration throughout the sprint.)
A swimming pool requiring a 2.0 hp motor to filter and circulate the water runs for 18 hours a day. What is the monthly electricity cost for running this pool pump
Calculate the value of the error (only) with two decimal places for: (5.3 +/- 0.1) / (2.9 +/- 0.1) and (7.3 +/- 0.4) / (3 +/- 0.2)
A movie camera with a (single) lens of focal length 70 mm takes a picture of a person standing 28 m away. what is the height of the image in millimeters on the film
A small glass bead charged to 7.4nC is 4.0cm from a thin, uniformly charged, 10--cm long glass rod. The bead is repelled from the rod with a force of 900*10^-6N . What is the total charge |Q| on the rod
A point charge 8.00 nC is at the center of a cube with sides of length 0.200m. compute the electric flux through the surface of the cube
A massless, rigid board is placed across two bathroom scales that are separated by a distance of 1.74 m. Find the weight of the person
A mass at the end of a spring is at distance x = +2.18 cm from the equilibrium position moving with velocity v = - 20.2 cm/s. Find the amplitude of the motion in cm
As an energy-efficiency consultant, you're asked to assess the pumped-storage facility. Its reservoir sits 136 above its generating station and holds 9.0×10^9 of water. The power plant generates 315 of electric power while draining the reservoir over..
A short time later, all of the charge has left the capacitor and the current flowing through the inductor has reached its maximum value. What is this current
The G string on a violin has a fundamental frequency of 196 Hz. It is 28.0 cm long and has a mass of 0.500 g. what is the effective length of her string
An alpha proton consisting of 2 protons and 2 neutrons (q = 0) is moved from a point 3nm due north of a carbon nucleus with 6 protons and 6 neutrons to a point 2nm due south of the carbon nucleus
What is the attractive force between the protons. A rocket rises vertically, from rest, with the acceleration of 3.0 m/s2 until it runs out of fuel at an altitude of 1100 m. After this point, its acceleration is that of gravity, downward.
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