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An electron of mass 9.1 * 10^-31 kg is moving in the xy-plane; its speed is 2.0 * 10^5 m/s and its direction of motion makes an angle of 25 degrees with the x axis. What are the components of the momentum of the electron?
1st bank offers you a car loan with a monthly payment of $17.00 per $1,000 borrowed. Payments are made at the end of each month. The term is 5 years. What is the annual rate of interest?
A certain CS professor gives five-point quizzes that are graded on the scale 5-A, 4-B, 3-C, 2-D, 1-F, 0-F. write a program that accepts a quiz score as an input and uses a decision structure to calculate the corresponding grade?
What does this mean about investors' expectations about inflation or MRP? .c. How can the investor be relatively certain to achieve a 6.5% return?
When a voltage of 16.0 V is applied across the two ends of a cylindrical wire of length l, radius r and resistivity p, What is the electric current measured in this second wire
George has been selling 5,000 T-shirts per month for $8.50. When he increased the price to $9.50 he sold only 4,000 T-shirts. What is the demand elasticity? If his marginal cost is $4 per shirt, what is his desired markup and what is his initial ..
Project X has a cost of $230,000 and provides the following annual earnings: year 1 $35,000; year 2 $140,000; year 3 $175,000; and year 4 $50,000. Under the payback method, in which year is the investment recouped?
Motivational theory applications argue for recognizing individual differences. They also suggest paying attention to members of diverse groups. Is this a contradiction? Why or why not?
A 160-ft-diameter parabolic antenna is driven by a 10-W transmitter at 4.3 GHz. Calculate its effective radiated power (ERP) and its beamwidth.
Use work and energy to calculate the stopping force on an egg ( we will model it as an spherical object) that is dropped form a height of 2m
The Federal Income Tax Base and Policy Alternatives
A coiled telephone cord forms a spiral with 74.0 turns, Determine the self-inductance of one conductor in the unstretched cord
Find the mass flow rate in through the vent in question #1 using the following well-known relationship for the mass flow into an opening:
The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an acceleration of 0.800 m/s2. Find out the tension in the rope.
A person pulls a toboggan for a distance of 30-m along the snow with a rope directed 25.0° above the snow. The tension in the rope is 98-N.
A uniform sphere with mass 57.0kg is held with its center at the origin, What is the magnitude of the net gravitational force due to these objects on a third uniform sphere with mass 0.510kg placed at the point x= 4.00m, y = 0
A 19.6cm diameter coil consists of 40 turns of circular copper wire 1.7mm in diameter. estimate the current in the loop
A certain atom of has 89 protons. Assume that the nucleus is a sphere with radius 7.25 fm and with the charge of the protons uniformly spread through the sphere. At the nucleus surface what is the magnitude of the electric field produced by the pr..
A sinusoidal wave travels along a stretched string. A particle on the string has a maximum velocity of 0.900m/s, What is the frequency and amplitude of the wave
A string with a mass of 31 g and a length of 2 m is stretched under a tension of 67 N. How much power must be supplied to the string to generate a traveling wave that has a frequency of 51 Hz and an amplitude of 4 cm.
The plates of a parallel-plate capacitor are 3.00mm apart, and each carries a charge of magnitude 77.0nC. The plates are in vacuum. What is the area of each plate
The pressure and volume of this gas are kept constant, while the number of molecules is doubled. Illustrate what is the final translational rms speed of the molecules?
A 0.11-kg rubber ball is dropped onto a table. The speed of the ball right before it hits the table is 5.9 m/s. what is the magnitude of the average force exerted on the ball by the table
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