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The coefficient of static friction among the floor of a truck and a box resting on it is 0.26. The truck is traveling at 84.1 km/hr.
What is the least distance in which the truck can stop and ensure that the box does not slide?
a 70 kg hockey player sliding freely on his knees on horizontal icy surface with velocity m/s. find the velocity of the player after he catches the puck
A 0.32 kg body undergoes simple harmonic motion of amplitude 9.1 cm and period 0.40 s. What is the magnitude of the maximum force acting on it
Calculate the force on a dielectric slab inserted partly into a parallel plate capacitor with plate dimensions L and w, with a length x of the dielectric lying between the plates. Assume that the plates are isolated, so the charge ±Q on the plates..
Superman is jogging alongside the railroad tracks on the outskirts of Metropolis at 150 km/h. What is superman's final speed
A double slit experiment produces 25 highlight spots with total distance y = 21cm, What is the wavelength of the laser source
An unstable high-energy particle is created in the laboratory, and it moves at a speed of 0.950c.Relative to a stationary reference frame fixed to the laboratory, the particle travels a distance of 1.34*10-3 m before disintegrating.
An audio amplifier provides an alternating rms potential difference of 15.0V. A loudspeaker connected to the amplifier has a resistance of 10.4 ohm. what is the rms current in the speaker
An ideal gas, Cp = (7/2)R, is heated in a steady-flow heat exchanger from 70°C to 190°C by another stream of the same ideal gas which enters at 320°C. The flow rates of the two streams are the same, and heat losses from the exchanger are negligibl..
A 19 kg sphere is at the origin and a 8.0 kg sphere is at (x, y) = ( 21cm , 0 cm) At what point or points could you place a small mass
A car with a total mass of 1.93 103 kg has wheels of radius 35.0 cm and moment of inertia 0.715 kg · m2. Find the car's rotational energy when the car is moving at a speed of 30.0 m/s
A uniform disk of mass M = 5.6 kg has a radius of 0.14 m and is pivoted so that it rotates freely about its axis. What is the torque being exerted by this force about the rotation axis
a punted football is observed to have velocity components vhorizontal 17 ms to the right and vvertical 2.5 ms
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