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A shravani pulls a 5-kg block along a rough horizontal floor with a force, F, which makes an angle, theta = 30 above the horizontal, as shown. The coefficients of static and kinetic friction between the block and the floor are 0.5 and 0.3 respectively. The block is initially at rest.a) find the maximum force of static friction that must be overcome by the applied force before the block moves (i found it 19.01N)b) What value of this applied constant force F is required to move the box along the floor at a constant acceleration of 2.0 m/s^2Please shows the step and explain throughly
A piece of metal weighs 53.6 N in air, 35.0 N in water, and 42.2 N in an unknown metal. What is the density of the unknown liquid
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. What is the pressure in the narrow section of the pipe
Suppose both skaters are initially moving v, but one has mass m and the other 2m. What point do they rotate about after they meet? What is the linear velocity of this point? What is the angular velocity of the system
In the distant future, a physics 360 student is rushing to her exam traveling in a spaceship at relativistic speed. Compute the wavelength she would have seen
An electric field given by = 6.0· - 3.9(y2 + 3.5)· pierces a Gaussian cube of edge length 3.2 m and positioned as shown in Fig. 23-56. (The magnitude is in newtons per coulomb and the position x is in meters.) What net charge (in Coulombs) is enclose..
In a transformer, the voltage across the primary coil is 120 V rms, and the voltage across the secondary coil is 10 kV rms (i.e. 10 000V). What is the impedance of the secondary coil
Find the direction of the net electrical force electrons will exert on the proton. Enter your answer as an angle measured relative to the line connecting the proton and the right electron with counterclockwise being positive.
A train has a speed of v = 66.5 km/h. If the acceleration experienced by the passengers is to be less than 0.35 g, find the smallest radius of curvature R acceptable for the track
Two identical cars, one stationary and the other driving toward the stationary one at 45 m/s, what is the beat frequency each driver hears
A ball with a radius of 18cm rolls on a level surface, What is the angular speed about the center of mass if the ball rolls without slipping
An airplane of mass 1.40 x 10^4 kg is in level flight, initially moving at 56.0 m/s. Find the speed of the airplane after it has traveled 4.4 102 m
A 9.60 kg object oscillates at the end of a vertical spring that has a spring constant of 2.00 104 N/m. Calculate the frequency of the dampened oscillation
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