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Q.A car traveling 85 is 130 behind a truck traveling 72 . How long will it take the car to catch up with the truck in secs?
Q. A small object with a mass of 430 mg carries a charge of 40.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 5.00 cm. If the thread makes an angle of 12.0° with the vertical, what is the potential difference between the plates.
Two boats start together and race across a 64-km-wide lake and back. Boat A goes across at 64 km/h and returns at 64 km/h. Boat B goes across at 32 km/h, and its crew, realizing how far behind it is getting, returns at 96 km/h. Turnaround times ar..
A circular wire loop of radius 0.50 m lies in a plane vertical to a uniform magnetic field of magnitude 0.40 T. If in 0.10 s the wire is reshaped from a circle to a square, but remains in the plane, what is magnitude of the average induced emf in t..
A 10 Newton effort force is required to lift a 10kg box just off the ground. What is the effort required to lift the box off the ground using a 3m long lever.
The molecule has a rotational kinetic energy that is of the translational kinetic energy of its center of mass. What then is molecule's angular speed about the center of mass.
A 245 ball is tied to a string. It is pulled to an angle of 5.20 and released to swing as a pendulum. A student with a stopwatch finds that 10 oscillations take 10.5.
Determine the coefficient of kinetic friction between the block & the table.
A particle moves with constant acceleration a. The expression v1+at represents the particle's velocity at what instant in time.
IP Halley's Comet Halley's Comet, which passes around the Sun every 78 years, has an elliptical orbit. When closest to the Sun (perihelion) it is at a distance of 8.823 x 10^10 m and moves with a speed of 54.6 km/s. The greatest distance between Hall..
A small, 300 g cart is moving at 1.60 m/s on an air track when it collides with a larger, 1.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s.
find out the speed of the test charge. How many electrons should be removed from A and put onto B to make the electrostatic force that acts on each object an attractive force whose magnitude is 23.6 N.
What is the coefficient of static between crate and incline
A 36.0 kg uniform beam is attached to a wall with the hinge while its far end is supported by a cable such that the beam is horizontal.
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