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Question: A 900-kg sports car collides into the rear end of a 2500-kg SUV stopped at a red light. The bumpers lock, the brakes are locked, and the two cars skid forward 2.4m before stopping. The police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80,
Part A: Calculate the speed of the sports car at impact.
I need help to find the speed of the sports car at impact.
A potter's wheel ( a solid uniform disk) of mass 6.1 kg and radius 0.65 m spins about its central axis. Calculate the moment of inertia of the system
A 7.0-kg object is attached to one end of a horizontal spring that has a negligible mass and a spring constant of 300 N/m. The other end of the spring is fixed to a wall. The spring is compressed by 10 cm from its equilibrium position and released fr..
Phonology: All the data for this problem come from a conservative dialect of Vèneto, a Romance language spoken in northern Italy near the city of Padua.
an electric dipole consisting of charges of magnitude 1.90 nc separated by 8.80 microm is in an electric field of
A 5.70 kg object on a horizontal frictionless surface is attached to a spring with spring constant 940 N/m. What is the frequency of the motion
A 1.8-kg cylinder (radius = 0.08 m, length = 0.50 m) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.82 m high and 5.0 m long. What is its translational kinetic energy? What is its rotational kinetic ene..
A box, initially at rest on the ground, is lifted straight upin the air by a rope, moving straight up at constant speed. When it's gotten pretty high off the ground, the rope is released,and the box falls back to the ground. Sketch a graph of the ..
A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction is -6.0 x 103 J, what is the speed of the skier
Point charges of 72 Q are placed at each corner of an equilateral triangle, which has sides of length 8 L. What is the magnitude of the electric field at the mid-point of any of the three sides of the triangle in units of kQ/L2?
A sinusoidal current i= Icoswt has an rms value of I rms = 2.20 A. What is the current amplitude, What is the rectified average current
Find out the angle the string makes with the vertical.what is the maximum voltage that can be applied across the whole network.
A circuit consists on an emf of 48 V, a resistor with R = 8.0 ohms, an inductor with L = 2.0 H, and a switch, all connected in series. At this instant, what is the current in the resistor
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