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Q1. A 1720 kg car is travelling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in the distance of 44.0 m?
Q2. Two points are located on a rigid wheel that is rotating with an increasing velocity about fixed axis. The axis is perpendicular to the wheel at its center. Point 1 is located on the rim and point 2 is halfway between rim and axis .at any given instant which point has the greater angular velocity, angular acceleration, tangential speed, tangential acceleration and centripetal acceleration.
the resistivity of silver at 20 degrees C is 1.59 x 10^-8 ohms*m and it temp coefficient is 0.0061/degree C. Find resitance of silver wire at 43 degree C
You are piloting a spacecraft whose total mass is 1170 kg and attempting to dock with a space station in deep space. How long should you sustain the firing of the retro-rocket
Three charges are fixed to an x, y coordinate system. A charge of +20 µC is on the y axis at y = +3.0 m, Determine the magnitude and direction of the net electrostatic force on the charge at x= +3.0 m
A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 15.0 m/s due north relative to the water. Illustrate what is the velocity of the boat relative to shore?
The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. Explain how far up the ladder can an 760 N person climb before the ladder begins to slip?
Manufacturers of headache remedies routinely claim that their own brands are more potent pain relievers than the competing brands. Find the number of molecules of pain reliever
How far will the ball travel if the bat is 1 m in length if the instaneous linear velocity of the bat is 37.5 m/s at the moment of impact
A mass of 8 kg is resting on a horizontal table with a coefficient of kinetic friction of 0.35. Calculate the linear acceleration of the system
A long, current-carrying solenoid with an air core has 1740 turns per meter of length and a radius of 0.0210 m. What is the mutual inductance of this system
The potential equals 400 V at 1.00 m from a very large, flat dielectric sheet that carries a surface charge density of -1.00 x 10^-8 C/m2
A car is moving with constant velocity v, and has wheels of radius R. At what angle does the piece of mud drop off the wheel
Bats are capable of navigating using the earth's field-a plus for an animal that may fly great distances from its roost at night. What is the proper orientation of the coil
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