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A woman stands on a scale in a moving elevator. Her mass is 60 kg, and the combined mass of the elevator and scale is an additional 815 kg. Starting from rest the elevator accelerates upward. Through the acceleration there is a tension of 9410 Newton’s in the hoisting cable. What does the scale read through the acceleration?
Two balls make up a closed system. Ball A has315 J of energy and ball B has767 J. After they collide, ball A has605 J. How much energy does ball Bhave after they collide?
An oscillating mass-spring system has A total energy of 1.18J , amplitude of 9.84cm, Find the spring constant , the mass of the block and the angular frequency
A box of mass 5.4 kg is accelerated from rest by a force across a floor at a rate of 2.0 m/s2 for 9.0 s. Find the net work done on the box
Use the Box-Muller method to generate a Gaussian distribution consisting of 20,000 points of mean 0.00 and standard deviation of 2.50 between x= -10.0 and +10.0. Group the points into 200 equally-spaced data points, each with a value proportional ..
A car is driven east for a distance of 49 km, then north for 23 km, and then in a direction 28° east of north for 28 km. FIND the magnitude (in km) of the car's total displacement from its starting point
Find the potential on the axis of a charged ring carrying some charge density (lamda) uniformly distributed around it
a car enters a freeway entrance ramp going 35 miles per hour. it accelerates at a rate of 2.11nbspmss up the entrance
An iron casting containing a number of cavities weighs 20052.8 N in air and 16121.0 N in water. What is the total volume of all the cavities in the casting
A string of 18 identical holiday tree lights is connected in series to a 190V source. The string dissipates 62.0 W. One of the bulbs burns out. The lamp has a wire that shorts out the lamp filament when it burns out. This drops the resistance of the ..
A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 5.0*10-23 kgm/s from 1.5*10-23kgm/s in a time of 6.3*10-6 s. Decide is the magnitude of the electric field?
A block is sliding to the right up a inclined plane (10 degrees) at an initial speed of 0.5 m/s. The coeffecient of friction is 0.3. how large must the minimum coefficient of static friction be
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes in 69.0 degrees, Find the angle the resultant force makes with the rope of dog A
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