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Q1. A box slides down a ramp between a delivery area and soring area. You must determine the angle this ramp should have with the horizontal direction so that a 500 pound box takes 5.0 seconds to slide down the ramp starting from rest at the top. While the box arrives at the bottom of the ramp the speed should be 10 ft/s. friction is neglible.
Q2. A 18 V battery is connected to a 2.50 ? resistor in a rigid rectangular loop of wire measuring 3.13 m by 1.09m. As shown in the figure, a length l = 1.09 m of wire at the end of the loop extends into a 2.18 m by 2.18 m region with a magnetic field of magnitude 4.813 T, directed into the page. What is the net force on loop?
Uniform rate of acceleration
Question on constant speed
In brief explain the changes that the Sun will go through after it exhausts its core hydrogen. Be sure to describe both the changes occurring in the Sun's core and the changes visible from outside the Sun. What do we mean by the stages we call hydrog..
A person holds a ladder horizontally at its center. Treating ladder as a uniform rod of length 3.30 m and mass 7.43 kg, find out the torque the person must exert on the ladder to give it an angular acceleration of 0.405 rad/s2.
What is the magnitude of displacement
Charge is scattered uniformly throughout a long cylindrical shell of inner radius R and out radius 2R. At what radius is the electric field equal to one-half the value on the outer surface.
Find a circuit to change the relationship between waveform and zero-volt axis & calculating the period of waveform.
A car of mass 1110 kg travels at a speed of 20 ms-1 along a straight road. The driver sees a red traffic light ahead, and applies brakes. The coefficient of friction between the car tyres and the road is 0.83. Take the acceleration due to gravity to ..
What is the lift (in newtons) by reason of Bernoulli's principle on a wing of area 77 m^2 if the air passes over the top and bottom surfaces at speeds of 270 m/s and 140 m/s, correspondingly.
Objective questions based on kinematics.
Compute average magnetic flux through turn of inner solenoid
A 2000-kg horizontal beam is supported at each end. A 160-kg load rests a quarter of the way from one end if the beam and 120 kg cargo is 1/3 from the other end. What is the vertical force on each of the supports.
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