08/16/20

A volleyball is released three times from three different heights: 5 m, 10 m, and 20 m. Which statement is correct about the volleyball?

The volleyball accelerates more quickly toward the ground when released from a higher height.  The volleyball accelerates the same amount toward the ground each time.  The volleyball accelerates... more

What is the direction of the normal force acting on an object?

It is always vertically upwards It can be vertically upwards or downwards It can be vertically upwards or at an angle to the vertical in the upward direction It can never be in the horizontal... more

please solve this:

we have a cylinder with radius a and length L and a conductivity of δ=δ"(r) find the resistivity of it please .

04/29/20

Relative motion!

1.) Bob is standing at the side of the road. Sue is standing in a bus. Bob measures the bus to be travelingNorth at a speed of 30.0 m/s. Sue is holding a ball 10.0 meters above the floor of the... more

04/27/20

The differential equation dy dx equals the quotient of the quantity x minus 3 and x plus 4

produces a slope field with horizontal tangents at x = -4 produces a slope field with vertical tangents at x = -4 produces a slope field with columns of parallel segments I only II only I... more

04/27/20

Honors pre calc

Determine the work done by a force F of 42 lbs acting in the direction 81° to the horizontal in moving an object 9 ft up an incline that forms a 15° angle to the horizontal. Round your answer to... more

10/22/19

The position f(t) of a particle moving along a number line is shown.

Link to graph: https://drive.google.com/file/d/11xC8s30vjyekwuxjQol84l3Q-2bmHtfL/view?usp=sharingA) When is the particle moving forward?B) When is the particle moving backward?C) When does the... more

Please how do I go by this?

The perpendicular OY is drawn from the centre O of the ellipse x^2/a^2 + y^2/b^2 = 1 toany tangent. Prove that the locus of Y is (x^2 + y^2)^2 = a^2x^2 + b^2y^2

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