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A crate of oranges weighing 194 Nrests on a flatbed truck 2.0 m from the back of the truck. The coefficients of friction between the crate and the bed areμs = 0.37 and μk =0.20. The truck drives on a straight, level highway at aconstant 8.1 m/s.(a) What is the force of friction acting on the crate?(b) If the truck speeds up with an acceleration of 1.5 m/s2, what is the force of the frictionon the crate?(c) What is the maximum acceleration the truck can have without thecrate starting to slide?
Describe, in detail, an experiment in which you could determine the power for a period of several hours. You must be able to tell how to measure the force and the distance to calculate work
A steel wire has the following properties: Cross-sectional area = 0.040 cm^2 Young's modulus = 2.0 x 10^11 Pa Shear modulus = 0.84 x 10^11 Pa Proportional limit = 3.60 x 10^8 Pa Breaking stress = 11.0 x 10^8 Pa, What is the maximum weight that can ..
If the car in problem 1 traveled at 36.0km/h during the first part of the trip and at 90.0km/h during the remainder, Calculate the average velocity for each part of the trip
question11 the molecular mass of helium is 4 gmol boltzmannrsquos constant is 1.38066 times 10minus23 jk universal gas
A spring of constant 3.00 x 10^4 N/m is between a rigid beam and the output piston of a hydraulic lever. An empty container with negligible mass sits on the input piston. The input piston has Areai and output piston has area 18 A.
Identical objects are located at the same distance from two spherical mirrors, A and B. Find the ratio fA/fB of the focal lengths of the mirrors
An x-ray tube is operated at 40600 V. Calculate the minimum wavelength of the radiation emitted by this tube. find the spacing between reflecting planes in the crystal
jamie is playing tennis. a 0.057kg ball is coming towards her at a velocity of -14 ms. after she hits it in the exact
The first star on the handle of the Big Dipper and the star that forms the far bottom edge of the bowl(Merak).
An ideal air-filled parallel-plate capacitor has round plates and carries a fixed amount of equal but opposite charge on its plates. how much energy does it now store
The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.800, and the log has an acceleration of 0.800 m/s2. Find out the tension in the rope.
A 20-cm-radius ball is uniformly charge to 80nC. What is the ball's volume charge density and How much charge is enclosed by spheres of radii 5, 10 and 20 cm
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