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Suppose you had two objects separated by 1000 meters. One had a mass of 50 kg and the other had a mass of 150 kg. What is the gravitational force between these objects?
A charge 39.41 mC is placed to the left of another charge 76.73 mC on a plane. Another charge of -5.551 oC and mass 36.81 g is placed at rest at a distance 15.34 cm above the right-most charge and r
An extremely long thin wire carries a uniform linear charge density of 358 nC/m. Find the potential difference between points 5.0 m and 6.0 m from the wire, provided they are not near either end of
A conducting sphere of radius 20.0 cm carries an excess charge of +15.0 oC, and no other charges are present. (k = 1/4??0 = 8.99 × 109 N · m2/C2) The potential (relative to infinity) due
A mass m1 = 4.3 kg rests on a frictionless table and connected by a massless string to another mass m2 = 4.7 kg. A force of magnitude F = 39.0 N pulls m1 to the left a distance d = 0.81 m. How much
Two equally charged particles, held 4.0 x 10-3 m apart, are released from rest. The initial acceleration of the first particle is observed to be 6.5 m/s2 and that of the second to be 8.4 m/s2. If th
Two equally charged particles, held 4.0 x 10-3 m apart, are released from rest. The initial acceleration of the first particle is observed to be 6.5 m/s2 and that of the second to be 8.4 m/s
If the expansion is isothermal at the temperature T = 400K, find the work done by the expanding gas.
The motor in a refrigerator has a power output of 200W. If the freezing compartment is at 270k and the outside air is at 300K , assuming ideal efficiency, what minimum amount of heat that can be ex
Compute the temperature of the reservoirs between which the engine operates. (Assume n = 1 kilomole)
Determine the average value of the kinetic energy of the particles of an ideal gas at 0.0C and at 100C. What is kinetic energy per mole of ideal gas at these temperatures?
You have two capacitors, one with capacitance 10.5 oF and the other of unknown capacitance. You connect the two capacitors in series with a voltage difference of 325-V applied across the capacitors.
A listener is between the two whistles and is moving toward the right with a speed of 15.0 m/s. No wind is blowing. what is the beat frequency detected by the listener?
A sound waves in air at 20* C has frequency of 150 Hz and a displacement amplitude of 5.00 x 10^-3 mm. For his sound wave calculate the a) pressure amplitude (in Pa) b) intensity (in W/m^2) c) sound
What angle between the directions of this two displacements give a resultant displacement of magnitude (a) 5.1 m, (b) 3.0 m, and (c) 3.3 m.
Find the capacitance of the cylindrical capacitor in terms of L, a, b, Q, and ?0 (epsilon naught)
Find the acceleration of the toboggan after it has reached its highest point and is sliding down the hill. Assume +x axis directed up the hill.
What will be the bearing of B (the direction of the position of B) relative to A at that time? (For your angles, takes east to be the positive x-direction, and north of east to be a positive angle.
An electron is to be released from rest at several points along the z axis a) what is the electron's initial acceleration if it is released at point P?
You are designing an electro microscope capable of resolving two features separated by 1 nm. The f-number (f/D) is 100. What is the accelerating voltage required to achieve this resolution?
The rope makes an angle of 70.0° with respect to the vertical as shown. What is the tangential speed of the ball?
A nonconducting solid sphere of radius 10.4 cm has a uniform volume charge density. The magnitude of the electric field at 20.8 cm from the sphere's center is 2.13 x 103 N/C. (a) What is the sphere'
What is the magnitude of the baseball's velocity when it returns to the level at which it left the bat? What is the direction of the baseball's velocity when it returns to the level at which it left
At its highest point, find the horizontal and vertical components of its acceleration. At its highest point, find the horizontal and vertical components of its velocity.