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A 2004 Prius with a 150-lb driver and no passengers weighs 3071 lb. The car is initially at rest. Starting at t = 0, a net horizontal force Fx(t) in the +x-direction is applied to the car. The force as a function of time is given in the figure. The horizontal parts on the graph correspond to 7500 N and 3500 N.
For the time interval t = 0 to t = 4.50 s, what is the impulse applied to the car?
What is the speed of the car at t = 4.50 s?
At t = 4.50 s, the 3500-N net force is replaced by a constant net braking force Bx = -5140N. Once the braking force is first applied, how long does it take the car to stop?
How much work must be done on the car by the braking force to stop the car?
What distance does the car travel from the time the braking force is first applied until the car stops?
Toni has a mass of 43 kg and is moving with a speed of 11.6 m/s. Assume that air resistance is negligible. Find Toni's kinetic energy. Toni's speed changes to 5.8 m/s. Now what is her kinetic energy? What is the ratio of the kinetic energies in parts..
two frisky grasshoppers collide in midair at the top of their respective trajectories and grab onto each other holding
A pole-vaulter is nearly motionless as he clears the bar, set 4.2m above the ground. He then falls onto a thick pad. What is his acceleration as he comes to rest on the pad
on venus the acceleration due to gravity is 8.87 ms2. how far would a 29 g rock fall from rest in 2.5 seconds if the
A neutron moved through a 1 T field with a speed of 185849 m/s. The velocity of the neutron is perpendicular to the field. Calculate the magnetic force on the neutron
Design and draw a full-adder circuit that has two sum bits Ai and Bi and a lower order carry bit Ci-1 as inputs. Include truth table and include sum of products Boolean expression for the output sum bit Si and carry bit Ci.
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. What is the radius of a chamber
An electric dipole consists of 0.8 g spheres charged to 2.0 nC at the ends of a 8-cm-long mass less rod. What is the dipole's angular velocity at the instant it is aligned with the electric field
Three charges, q1 = +1.84 10-9 C, q2 = -3.06 10-9 C, and q3 = +1.09 10-9 C, are located on the x-axis at x1 = 0, x2 = 10.0 cm, and x3 = 20.0 cm. Find the resultant force on q3.
liquid helium has a temperature of only 4.24 k and is in equilibrium with its vapor at atmospheric pressure. calculate
A charged capacitor with C = 690 uF is connected in series to an inductor that has L = 0.460 H and negligible resistance. obtain the maximum voltage across the capacitor
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