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The sun is 1.4x10^9 meters in diameter, and it is 1.5x10^11 meters from Earth. A pinhole in the leaf of a tree forms an image on the ground that is 1.4 cm (= 0.014 meter = 1.4x10^-2 meters) in diame
You are assigned to prepare a report on how fast the product will be moving at the bottom of the hill, and how fast it will be rotating, in SI units for both. Include in your report the speeds and r
A proton is released from rest at the positive plate of a parallel plate capacitor. It crosses the capacitor and reaches the negative plate with a speed of 50,000 m/s/ What will be the final speed o
(a) For a square of side 3.00 cm with charges of +8.00 microC at each corner, find the electric field at the center of the square in N/C?
Capacitors are used in many applications where you need to supply a short burst of energy. A 100 micro F capacitor in an electric flash lamp supplies an average power of 10.7 kW to the lamp for 3.00
While water changes temperature would Temperature vs Time graph be linear or nonlinear? (Assume you have a thermal energy source providing energy at a constant rate.) If linear, what does the slope
Consider two straight conductors of length 0.8 m, carrying current of 16.6 A and 15 A respectively. If they are placed 0.1 m apart, what is the value 106 ×F, where F is the magnitude of the fo
Two resistors connected in series have an equivalent resistance of 774.9 ohm. When they are connected in parallel, their equivalent resistance is 128.2 ohm. Find the resistance of each resistor.
As an approximation, assume a radial distance of 75 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest point on the circle, it has a spe
At the top of a hill with slope angle 25 degrees a snow sled is moving at 5 m/s. The sled travels 30 m down the hill before reaching the bottom. If the coefficient of kinetic friction between the sl
Assume that the electron is a sphere of radius 10 to the power -17 meters and physically spins about an arbitrary axis. What is the instantaneous velocity of all points on the surface of this sphere
Suppose an electron is released from rest in a uniform electric field whose magnitude is 7.20 x 103 V/m. How fast will the electron be moving after it has traveled 1.00 cm?
A pair of oppositely charged, parallel plates are separated by 5.25 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field strength between t
The outside temperature is 25oC, the coeffcient of heat transfer for styrofoam is 0.023 W/m·K, and the latent heat of fusion for ice is 330 kJ/kg. How long will it take for all the ice to mel
(a) Find the difference in potential between the bird's feet, assuming they are separated by a distance of 5.6 cm. (b) Will your answer to part (a) increase or decrease if the separation between the
While driving in your car with a constant speed of 15.0 m/s, you encounter a bump in the road that has a circular cross-section. The radius of curvature of the bump is 35 m What is the apparent weig
A 1.50-cm-diameter parallel-plate capacitor with a spacing of 0.400 is charged to 500.What is the total energy stored in the electric field? And What is the energy density?
A charged particle of mass m and charge q is suspended from a light thread in a region of space where there is a uniform horizontal electric field. What is the angle between the thread and a vertica
The flash unit in a camera uses a 2 battery to charge a capacitor. The capacitor is then discharged through a flashlamp. The discharge takes , and the average power dissipated in the flashlamp is 1
A shaving or makeup mirror is a large concave mirror. In terms of its focal length f, what is the range of distances from the mirror at which you can put your face and get an enlaged image in the m
what is the magnitude of astronaut velocity, if an astronaut is given a centripetal acceleration of 17.6 g? What is the period of the motion?
During the acceleration, the hoisting cable applies a force of 9300 N. What does the scale read during the acceleration?
Determine the frequency of the wave received by the receiver in the case when: Note: speed of sound in sea water = 1530 m/s.