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Q. A ball rolls horizontally off the edge of a tabletop that is 0.78 m high. It strikes the floor 2.80 m away from the edge of the table. What is the initial (horizontal) velocity of the ball?
Q. Suppose a car is traveling at 13.0 m/s, and the driver sees a traffic light turn red. After 0.540 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 6.00 m/s2. What is the stopping distance of the car, as measured from the point where the driver first notices the red light?
Write a paper follow below instructions: -the three classes of pumps which are, positive displacement, momentum transfer and entrapment
Concept to find certain type of electronic devices & circuits.
A rectangular loop of wire has dimensions 0.5m by 0.3m. The loop is pivoted at x axis and lies in the xy plane. A uniform magnetic field of magnitude 1.5 T is directed at an angle of 40° with respect to the y axis with field lines parallel to the ..
Find out the magnitude of the vertical component of the velocity
The pilot of an aircraft wishes to fly due west in a 37.70 km/h wind blowing toward the south. The speed of the aircraft in the absence of the wind is 191 km/h.
Illustrate energy bar graphs to solve the problem . What is amplitude of the oscillations.
A 3.9 kg block originally at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 18 N.
An 88 kg spacewalking astronaut pushes off a 640kg satellite, exerting a 640N force for the 0.60 s it takes him to straighten his arms.
Two speakers, 6.00 m apart, are driven by the same audio oscillator so that each one produces a sound consisting of two distinct frequencies, 1000 Hz and 1360 Hz. The speed of sound in the room is 350 m/s.
A 9 turn coil 1.80 in diameter is rotated at 11 about an axis perpendicular to a uniform magnetic field. A voltmeter connected to the coil through rotating contacts reads a peak value of 340.
What is the minimum coefficient of friction between tires and road.
Three charges are situated at corners of a rectangle. How much energy would be expended in moving the 8µC charge to infinity.
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