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Ten second later the latter follows with an acceleration of 0.5m/s^2. Determine the distance that the latter has to travel before it overtakes the former.
A 79.9 kg man steps off a platform 4.37 m above the ground. He keeps his legs straight as he falls, but at the moment his feet touch the ground his knees begin to bend, and, treated as a particle, h
A generator uses a coil that has 210 turns and a 0.20-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. Assuming that each turn of the coil is a s
In process AB the system performs 320 J of work, while in process CA work is done on the system in the amount of 238 J. How much heat is transferred to or from the system in process CA?
A fish is able to jump vertically out of the water with a speed of 5.62 m/s. What is the speed of the fish as it passes a point 0.66 m above the water?
A cylindrical wire of radius 2.0mm carries a current of 2.5 A. The potential difference between points on the wire that are 46m apart is 3.7 V. What is the electric field in the wire?
A 2.988x10^-26 kg mass particle with negative -1.44x10^-18 C charge is initially moving at 60m/s parallel to a wire with 18A current going to the right. The permeability of free space is 4*(pi)x10^
How many more times the energy (amount) does the metal emit as blackbody radiation at the higher temperature than at the lower temperature?
What is the frequency (in kHz or 103Hz) of a wave with a measured wavelength of 618 m? Remember that you have to enter the value in kHz, which is the value in Hz divided by 1000. For example, 500,0
A ball drops from rest from an unknown height h. The time it takes for the ball to hit the ground is measured to be 2.3 +or - 0.2s. The height is related to this time by the equation h = 1/2 g t^2
An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges.What is the speed of the electron when it is 10.0 from charge 1?
A flight attendant pulls her 70.0 N flight bag a distance of 250 m along a level airport floor at a constant speed. The force she exerts is 44.0 N at an angle of 52.0° above the horizontal.
A person doing a chin-up weighs 725 N, disregarding the weight of the arms. During the first 20.0 cm of the lift, each arm exerts an upward force of 371 N on the torso. If the upward movement start
An object is dropped from a height of 45 m. Use the conservation of mechanical energy to find its speed right before it hits the ground. Neglect air resistance.
A building superintendent twirls a set of keys in a circle at the end of a cord. If the keys have a centripetal acceleration of 136 m/s2 and the cord has a length of 0.30 m, what is the tangential
A third ball with a charge of -3.0 μC is dangled from a string between the two charged balls such that it remains in equilibrium. Calculate the distance the third charged ball is from to the +5.0
Two cylinders are identical in all respect except that one is hollow and the other is solid. Identical forces are applied to one end of each cylinder. Which cylinder, if either, stretches the most?
Group Size and Conformity What do you think happened in the Gawker s study? Can you predict the results? Resisting Social Influence What is reactance?
Is my answer to this question correct? Are there small errors? "Q: Describe briefly how bodies in the Kuiper belt and the Oort cloud formed. A: The bodies in the Oort cloud cannot have been formed i
Where does it actually focus the mountain? Is this in front of or behind the retina? Does this help you see why the eye needs help from a lens to complete the task of focusing?
It must be noted that those limitations mentioned above not only restrict the possibility of inter-stellar travel for humans, for also for any other intelligent life-forms that could exist in other
The acceleration of gravity is 9.8 m/s2 .What total distance s did the block slide? Answer in units of . What is the total vertical height through which the block descended?
Vector C points along the negative X access and has a magnitude of 100 units Which vector has the largest x component and the largest y component.
Draw a free-body diagram of the gusset plate at O. Draw the vectors starting at the black dot. The location and orientation of the vectors will be graded. The length of the vectors will not be grad
A particle having a mass of 0.200 {rm g} carries a charge of -2.50×10-8 {rm C}. The particle is given an initial horizontal northward velocity of 4.00×104 {rm m}/{rm s} .What are the ma