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A single conservative force acts on a 5.00 kg particle. The equation Fx = (2x + 4) N describes this force, where x is in meters. As the particle moves along the x axis from x = 2.20 m to x = 6.20 m, calculate the following.
(a) the work done by this force
(b) the change in the potential energy of the system
(c) its kinetic energy of the particle at x = 6.20 m if its speed is 3.00 m/s at x = 2.20 m
a parallel-plate capacitor has an area of 4.00 cm2 and the plates are separated by 1.00 mm with air between them. the
A car of mass 1050 kg is going around an unbanked curve of radius 20 m. what is the normal force of the road on the car
A basketball (M = 0.6 kg, R = 12.1 cm) with a tennis ball (m = 0.06 kg, r = 3.25 cm) directly on top of it is dropped from a height of 1 m. Find the speed of the basketball after its collision with the ground
A small glass bead has been charged to + 25nC . A tiny ball bearing 3.0cm above the bead feels a 1.8×10?2Ndownward electric force. What is the charge on the ball bearing
Four identical charges (+2.1 ?C each) are brought from infinity and fixed to a straight line. Determine the electric potential energy of this group
An object located 25.0 cm from a convex mirror produces a virtual image 16 cm from the mirror. What is the magnification of the image
What is the angular speed of a rotating wheel that has a moment of inertia of 0.330 kg.m^2 and a rotational kinetic energy of 2.75J
A mass, hanging at rest froma spring, stretches the spring by 4.00 cm. The mass is thenpulled down until the spring is stretched by 10.0 cm and released andmoves in Simple Harmonic Motion.
The spheres are brought into contact and then separated to a distance of 2.40 cm. Determine the magnitude of the force that each sphere now experiences, and state whether the force is attractive or repulsive.
What is the necessary metabolic power? Hint: You can model her power needs as the sum of the power to walk on level ground plus the power needed to raise her body by the appropriate amount. Express your answer to two significant figures and include t..
A football game begins with a kickoff in which the ball travels a horizontal distance of 45 yd and lands on the ground. what is the initial speed of the ball in this case
A 3.80-mm-wide bolt is viewed with a9.30-cm-focal-length lens. A normal eye views the image at its near point. Calculate the angular magnification
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