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You pull upward on a stuffed suitcase with a force of 105 N, and it accelerates upward at 0.743 m/s2. What is the mass of the suitcase?
You are pushing a 17 kg box along a level surface. The applied force is at 15° below the horizontal. The box starting from rest slides along the ground a distance of 5.0m and reaches a final sp
The tendency of an object rotating about an axis to resist any of its roational motion is refered to as ------
What is the magnitude of the radial acceleration acting on the ball at the instant just before release? What is the magnitude of the total acceleration acting on the ball at the instant just before re
A solenoid of length 14.2 cm consists of a wire wrapped tightly around a wooden core. The magnetic field strength is 3.33 T inside the solenoid. If the solenoid is stretched to 27.2 cm by applying
Three point charges lie along the x -axis. A positive charge q1= 15x10^-6 C is at x=2m, and a positive charge of q2=6x10^-6 C is at the origin. Where must a negative charge q3 be placed on the x -a
You exert a 100-N pull on the end of a spring. When you increase the force by 20% to 120 N, the spring's length increases 7.0 cm. beyond its original stretched position.
If the coefficient of static friction between 40kg crate and the floor is 0.65, with what horizontal force must the worker pull to move the crate? If the worker maintains that force once the crate
Imagine a spring oriented vertically, with a particle attached to the end that is facing the ground. Take the axis to be oriented vertically. Why does the potential energy of this particle = mgx + .
A flute acts as an open pipe. If a flute sounds a note with a 375-Hz pitch, what are the frequencies of the second, third, and fourth harmonics of this pitch?
So at a point that is between the particle's path from one of the sides to the top, would the centripetal force then be T + mgsin(phi)(where phi is the angle between the Tension force vector and th
A hiker wears a 7.5-kg backpack while climbing a mountain. After 30.0 min, the hiker is 8.2 m above the starting point. What is the average amount of power created by the hiker?
What does your reading of Tillery tell you about the nature of the relationship between velocity, acceleration, mass and force?
Compute the partition function for this system as a function of N, T and B. Compute the average energy of the system. Compute the average magnetization of the system.
Explain why the minimum occurs. When electromagnetic waves reflect off water they undergo a phase change of π. What does this due to the conditions for constructive and destructive interference?
When electromagnetic waves reflect off water they undergo a phase change of pie. what does this due to the conditions for constructive and destructive interference? Determine the height of the cliff
When a potential difference of 134 V is applied to the plates of an air-filled parallel-plate capacitor, the plates carry a surface charge density of 3.50 10-10 C/cm2. What is the spacing between t
what are the coordinates of the centre of mass? Enter the x-value first, followed by the y-value, in units of centimetres.
A 1977G sample of ethanol is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 10.91K. If the heat capacity of the bomb is 615.5J/K and it contains 1.150 kg of water
A crane lifts a 425 kg steel beam vertically a distance of 117 m. How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s2? Neglect frictional forces.
A convex spherical mirror with a radius of 50 cm has a 4.0 cm tall object placed 100 cm in front of it. What is the position of the image relative to the mirror?
The collision was one-dimensional along the x-axis. Our results are showing that the system lost momentum, with zero change being outside of the uncertainty of the experiment.
An airplane is flying in a horizontal circle at a speed of 437.2 km/h. The plane is banked for this turn, its wings tilted at an angle of 43.2° from the horizontal. Assume that a lift force act
Consider two straight conductors of length 0.9 m, carrying current of 24.6 A and 19 A respectively. If they are placed 0.2 m apart, what is the value 106 ×F, where F is the magnitude of the f
A satellite is orbiting the moon just above its surface. The centripetal force making the satellite follow a circular trajectory is just its weight, so its centripetal acceleration is about 1.622 m/