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A baseball (mass 0.145 kg) is at rest in a mesh net above the ground. A 0.023 kg marshmallow is thrown at the baseball from directly below, and attaches itself to the ball, without hitting the net, while traveling at a speed of 3.90 m/s. How high above its starting position does the baseball-marshmallow combination rise?
Suppose that 3.00 g of hydrogen is separated into electrons and protons. What is the resulting compressional force on the Earth
A 0.2 m^3tank equipped with a pressure regulator contains 4 kg saturated mixture of water at 2 MPa. find the amount of steam that has escaped from the tank
The plane of a conductive loop with an area of 0.030m2 is perpendicular to a uniform magnetic field of 0.30 T. what is the magnitude of the average emf induced in the loop
Illustrate what factor caused fewer purchases to be planned? Suggest business conditions that would cause this factor to both occur and impact the company in this way."
A compound microscope has objective and eyepiece focal lengths of 6.5mm and 2.2cm , respectively. what is the magnification of the instrument
Two blocks of mass mA and mB, resting on africtionless table, are connected by a stretched spring and thenreleased. (a) Is there a net external force on the system? (b) Determine the ratio of their speeds, vA/vB.
A force of 250 N is applied to a hydraulic jack piston that is0.01 m in diameter. If the piston which supports the load hasa diameter of 0.10 m, how much mass can be lifted
A 3gm bullet with a speed of 300m/sec is fired on a 400gm block initially at rest. The bullet passes through the block and as a result the block begins to move with a speed of 1.5m/sec in the original direction of the bullet. Find the speed of the..
Due to the nature of the wastewater, the engineer wants to target the high end of this range. Find the proper diameter pipe to the nearest 2” (e.g., 2”, 4”, 6”, 8”, 10”, etc.) to achieve this design objective.
A small block of mass m = 140 g is released from rest at point along the horizontal diameter on the inside of a frictionless, hemispherical bowl of radius R = 28.0 cm as shown in the figure below. the height = 2R/3 = c (d) Calculate its kinetic energ..
The height of a helicopter above the ground is given by h = 2.95t^3, where h is in meters and t is in seconds. At t = 2.50 s, the helicopter releases a small mailbag.
in a newtons rings demonstration using 540-nm light the distance from the center of the rings to the first bright ring
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