Homework Answers
As you Know same charge repels each other.so electric force will be outward . The gravitational force which is downward.
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A charged box (m - 455 g, q +2.50 uC) is placed on a frictionless incline...
A small block of mass m AMT and charge Q is placed on an insulated, frictionless,...
A small block of mass m AMT and charge Q is placed on an insulated, frictionless, inclined plane of angle θ as in Figure below. An electric field is applied parallel to the incline. a) Find an expression for the magnitude of the electric field that enables the block to remain at rest. b) If m = 5.40 g, Q = -7.00 µC, and θ = 25.0o, determine the magnitude and the direction of the electric field that enables the...
A small block of mass m and charge Q is placed on an insulated, frictionless, inclined...
A small block of mass m and charge Q is placed
on an insulated, frictionless, inclined plane of angle u as in
Figure P15.21. An electric field is applied parallel to the
incline. (a) Find an expression for the magnitude of the electric
field that enables the block to remain at rest. (b) If m =
10.8 g, Q = -7.00 µC, and θ= 25.0°, determine the
magnitude and direction of the electric field that enables the
block to remain...
Figure 1: Block on incline. 2, A block of mass m = 5 kg is subject...
Figure 1: Block on incline. 2, A block of mass m = 5 kg is subject to a force of magnitude 20 N that makes an angle of p20 with the (frictionless) inclined plane of contact. The plane itself is inclined θ = 300 with the horizontal. (a) What is the acceleration of the block along the incline? (b) If the block begins at rest, in what direction will it move subsequently (i.e., up or down the incline)? (c) If...
A crate of mass m = 1.12 kg is on a frictionless incline that makes an...
A crate of mass m = 1.12 kg is on a frictionless incline that makes an angle of θ = 27.6 degrees with horizontal. A force of magnitude P = 7.24 N is applied to the crate in a direction parallel and up the incline, as shown. Write an expression for the acceleration ax of the crate, where positive x is up the incline. Your answer should be in terms of m, P, θ, and g (9.80 m/s2).
1) Consider a box of mass m sitting on an inclined plane. The inclined plane makes...
1) Consider a box of mass m sitting on an inclined plane. The inclined plane makes an angle θ with the horizontal and the coefficient of static friction between the box and the surface is μ. What minimal condition must exist if the box is to accelerate down the incline? A) mgsinθ < μFn B) mgsinθ = μFn C) mgsinθ > μFn D) mgcosθ > π 2) You observe a packing crate sliding down a long, inclined ramp at constant...
A box, mass m, slides without friction down an incline plane at an angle θ with...
A box, mass m, slides without
friction down an incline plane at an angle θ with the horizontal.
The incline plane is free to slide without friction across the
floor it is resting on. Find the vector acceleration of both the
plane and the box with respect to the floor. Confirm your answer
using both Conservation of Energy and Newton’s Laws.
A spring is attached to a object with charge q-+3.00 uC on a frictionless horizontal surface....
A spring is attached to a object with charge q-+3.00 uC on a frictionless horizontal surface. The spring has some equilibrium length L. A charge q,--9.00 μC is placed 4.00 cm away from the positive charge. In response, the spring stretches and reduces the distance between charges to 3.70 cm. 2. a. Find the spring constant k. 91 92 If a charge q2 = +5.00 μc had been placed in the same position, what would the spring's displacement have been?...
A block of weight w = 40.0 N sits on a frictionless inclined plane, which makes...
A block of weight w = 40.0 N sits on a frictionless inclined plane, which makes an angle θ = 35.0 ∘ with respect to the horizontal, as shown in the figure. (Figure 1)A force of magnitude F = 22.9 N , applied parallel to the incline, is just sufficient to pull the block up the plane at constant speed. Part B What is Wg, the work done on the block by the force of gravity w⃗ as the block moves...
A block of mass m is placed in a smooth-bored spring gun at the bottom of an inclined plane
A block of mass m is placed in a smooth-bored spring gun at the bottom of an inclined plane, such that it compresses the spring by an amount xc, as shown in the figure below. The spring has a spring constant k. The incline makes an angle θ with the horizontal and the coefficient of friction between the block and the inclined plane is μ. The block is released, exits the muzzle of the gun, and slides up the incline...
A block of weight w = 35.0 N sits on a frictionless inclined plane, which makes...
A block of weight w = 35.0 N sits on a frictionless inclined plane, which makes an angle θ = 32.0 ∘ with respect to the horizontal, as shown in the figure. (Figure 1)A force of magnitude F = 18.5 N , applied parallel to the incline, is just sufficient to pull the block up the plane at constant speed. Part A The block moves up an incline with constant speed. What is the total work Wtotal done on the...
A small block of mass m and charge Q is placed
on an insulated, frictionless, inclined plane of angle u as in
Figure P15.21. An electric field is applied parallel to the
incline. (a) Find an expression for the magnitude of the electric
field that enables the block to remain at rest. (b) If m =
10.8 g, Q = -7.00 µC, and θ= 25.0°, determine the
magnitude and direction of the electric field that enables the
block to remain...
Figure 1: Block on incline. 2, A block of mass m = 5 kg is subject to a force of magnitude 20 N that makes an angle of p20 with the (frictionless) inclined plane of contact. The plane itself is inclined θ = 300 with the horizontal. (a) What is the acceleration of the block along the incline? (b) If the block begins at rest, in what direction will it move subsequently (i.e., up or down the incline)? (c) If...
A box, mass m, slides without
friction down an incline plane at an angle θ with the horizontal.
The incline plane is free to slide without friction across the
floor it is resting on. Find the vector acceleration of both the
plane and the box with respect to the floor. Confirm your answer
using both Conservation of Energy and Newton’s Laws.
A spring is attached to a object with charge q-+3.00 uC on a frictionless horizontal surface. The spring has some equilibrium length L. A charge q,--9.00 μC is placed 4.00 cm away from the positive charge. In response, the spring stretches and reduces the distance between charges to 3.70 cm. 2. a. Find the spring constant k. 91 92 If a charge q2 = +5.00 μc had been placed in the same position, what would the spring's displacement have been?...
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