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1. A block is pulled across a table by a constant force of 9.20 N. If the mass of the black is 2.30 kg, how fast will the block be moving after 2.00 seconds? Assume negligible friction.
2. Natasha is sliding down a ramp on a sled. Natasha and the sled together have a mass of 78.8 kg. The ramp is elevated at an angle of 35.0° from the horizontal. Neglect friction and determine the acceleration of Natasha and the sled.
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. He was supposed to travel due north for 44 km, but when the snow clears, he discovers that h..
a friend passes by you in a spacecraft traveling at a high speed. he tells you that his craft is 20.0 m long and that
Consider 3 Resistors: 10 k?, 20 k?, and 30 k?. Calculate the total resistance if the resistors are connected in series with each other
A circular coil with a radius of 20 cm and containing 60 turns is placed in a uniform magnetic field which makes an angle of 30 degrees with respect to the plane of the coil, find the magnitude and direction of the induced current in the coil
a transformer has 355 turns in the primary coil and 197 in the secondary coil.a. what kind of transformer is this?b. by
A horizontal light ray strikes an equilateral prism (all3 angles are 60 degrees) at the mid point of the prism's leftside. If the index of refraction of the prism material is 1.7,which face (left, right or bottom) of the prism will the rayemerge f..
a circular radar operates at a frequency of 8 ghz and has a diameter of 0.8 m.what is the angle at the half-power
A ladder of length b and weight W rests on a smooth floor and leans against a smooth vertical wall, the lower end of the ladder being attached by a string to a point on the wall a height h above the floor. If the ladder makes an angle theta with the ..
A wooden block of mass M resting on a frictionless, horizontal surface is attached to a rigid rod of length and of negligible mass. What is the angular momentum of the bullet-block system about a vertical axis through the pivot
Europa, one of the moons of Jupiter, was discovered by Galileo in 1610. Europa has a circular orbit of radius 6.708 108 km and period 3.551 days. Find the mass of Jupiter
An inductor with L = 30 mH isconnected in parallel with a capacitor with C =85 µF. If they are connected to an AC voltagesource with f = 3.2 kHz, is the current larger in the inductor or in the capacitor? in the inductor in the capacitor
A positively-charged object with a mass of 0.177 kg oscillates atthe end of a spring, generating ELF (extremely low frequency) radiowaves that have a wavelength of 5.86 x 107 m. Thefrequency of these radio waves is the same as the frequency atwhic..
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