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A kid sits in a sled on a horizontal snowy surface. The combined mass of the kid and the sled is 34 kilogram. The kinetic coefficient of friction is 0.39. Initially the kid and her sled are at rest. After you pull the sled 20 meter the velocity of the sled is 1.5 meter per second. Find how much total mechanical work (J) did you do as you pulled the sled and kid 20 meter?
Two capacitors are connected to a battery. The battery voltage is V = 50 V, and the capacitances are C1 = 2.00 ?F, Determine the total energy stored by the two capacitors
Two long, straight, parallel wires of length 4.5 m carry parallel currents of 3.1 A and 1.1A. If the wires are separated by a distance of3.4 cm, what is the magnitude of the force between the two wires?
question a large cruise ship of mass 6.50 107 kg has a speed of 12.0 ms at some instant. what is the magnitude of the
A person wants to push a lamp ( mass 7.2 ) across the floor, for which the coefficient of friction is 0.20. calculate the maximum height x above the floor at which the person can push the lamp so that it slides rather than tips.
C harged particle(m=6 g,q=-10x10-6 q)moves in a region of uniform field along a helical path (radius = 2.0 cm, pitch = 7.0 cm) as shown. Identify the angle between the velocity of the particle and the magnetic field?
A rocket burns fuel at a rate of 200 kg/s and exhausts the gas at a relative speed of 4.0 km/s. Find the thrust of the rocket
Four equal masses m are located at the corners of asquare of side script i connected by essentially massless rods. For the following answers you may use the symbols m for m,L for script i, and g for the acceleration of gravity.
a refrigerator has a coefficient of performance of 3. the ice tray compartment is at -20 c and the room temperature is
A goldfish is swimming inside a spherical bowl of water having an index of refraction n = 1.333. How many centimeters behind the glass
If the scalar product of two vectors, A and C, is equal to -3.5, if A=2.0, and the angle between the two vectors when they are drawn starting from the similar point is equal to 130°, what is the magnitude of C?
A generator is manufactured to produce a maximum EMF of 200v while rotating with an angular speed of 1000rpm. What is the voltage induced within the coil inside the transformer due to the coil in the generator
A double-slit experiment uses light of wavelength 633 nm with a slit separation of 0.1 mm and a screen placed 2.0 m away. What is the linear width of the central fringe
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