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Sam, whose mass is 86 kilogram, takes off across level snow on his jet-powered skis. The skis have a thrust of 300 Newton and a coefficient of kinetic friction on snow of 0.14.Unfortunately, the skis run out of fuel after only 15 second.
Determine what is Sam top speed?
Determine how far has Sam traveled when he finally coasts to a stop?
a toy cannon uses a spring to project a 5.39-g soft rubber ball. the spring is originally compressed by 4.93 cm and has
two forces f1 and f2 have magnitudes 335 and 478 pounds respectively and act on a body at an angle of 45 degrees 40
A neutron star has a mass of 2.20 × 10^30 kg (about the mass of our sun) and a radius of 5.20 × 10^3 m. Assume an object falls from rest near the surface of such a star. How fast would it be moving after it had fallen a distance of 0.0083 m.
Young's modulus of nylon is 3.7 × 109 N/m2. A force of 6.0 × 105 N is applied to a 1.5-m length of nylon of cross sectional area 0.25 m squared
A 16.1-m length of hose is wound around a reel, which is initially at rest. The moment of inertia of the reel is 0.42 kg · m2, and its radius is 0.174 m. how long does it take to completely unwind the hose from the reel
An air conditioner is used to keep the interior of a house at a temperature of 25C while the outside temperature is 34C, what is the mechanical power required to keep the house cool?
The Stanford Linear Accelerator (SLAC) is an electron accelator that provides an oscillating \radio-frequency" (RF) electric field in the form of a wave that stays in synchronism with the electrons being accelerated.
A train is traveling at 100 m/s. The engineer applies the brakes because he sees the Batmobile stuck on the tracks ahead. How long does it take the train to reach the Batmobile
An electrically charged particle having a mass of 4.50*10-24 kgis placed in an electric external field and released from rest. What is the net force that acts on the first microsecond
X rays with a wavelength of 0.14nm undergo first-order diffraction from a crystal at a 73 degree angle of incidence. What is the angle of second-order diffraction
A resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 0.321 mH and the capacitor has a value of 22.4 pF. Calculate the frequency of the radio station
A 50 kg child takes a ride on a roller coast . the coaster maintains a constant speed of15 m/s as it moves around a loop of radius 10m. what is the centrupetal acceleration of the child
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