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the coefficient of static friction between the tires of a car and the street is 0.77. what is the sttepest angle on which the car can be parked without slipping. Please show all steps.
A worker pushed a 65.0-kg block 10.0 m along a level floor at a constant speed with a force directed 39.0° below the horizontal. how much work did the worker do on the block
An automobile tire is rated to last for 40,000 miles. To an order of magnitude, through how many revolutions will it turn?
A sports car accelerates with constant acceleration from rest to a speed of 31.57 m/s in 4.127 s. The angular acceleration of the rear wheels is 17.75 s-2. What is the radius of the rear wheels
Assume the volume of the tank and the temperature of gas remain constant all through this operation.
A machine shop grinding wheel accelerates from rest with a constant angular acceleration of 2.3 rad/s^2 for 7.1 s, Find the total number of revolutions turned
A helium-neon laser (?=633 nm) illuminates a diffraction grating. What is the spacing between slits of the grating
A rifle with a weight of 35 N fires a 5.0-g bullet with a speed of 250 m/s, If a 675-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle
Two bars of identical mass are at 34 °C. One is made from glass and the other from another substance. What is the specific heat capacity of the other substance
Determine the temperature at which the resistance of atungstenwire will bethree timesits value at 20°C. Assume its coefficient of resistivity remains constant.
Electrons are accelerated from rest through an electric potential difference of 250kV, then the potential difference is changed to 60kV. What is the ratio of the two de Broglie wavelengths produced by the electron
2.30×106 atoms are excited to an upper energy level at t=0s. At the end of 10.0ns, How many photons have been emitted
q1. what is the dissimilarity in your blood alcohol level between a full and empty stomach after you drank 3 malted
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