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Q1. A ball on a porch rolls 60cm to the porch's edge, drops 40cm, continues rolling on the grass, and eventually stops 80cm from the porch's edge. What is the magnitude of ball's total displacement, in centimeters?
Q2. Travelling at a constant speed of 10 m/s whereas direction of the Jeep changes from east to south. An 1800 kg Jeep travels along a straight 500 m portion of highway (from A to B) at a constant speed of 10m/s. At B, the Jeep encounters an unbanked curve of radius 50m. The Jeep follows the road from B to h. What is the magnitude of the acceleration of Jeep as it travels from A to B?
What is the physics behind everyday sayings
Find out how fast a GPS satellite is moving relative to someone on the ground and from that how much slower time runs where it is in orbit relative to someone on the ground.
Calculate the magnitude, the direction of resultant force and the coefficient of kinetic friction.
It was revealed that 120 people had only 1 admission, 81 had 2 admissions, 48 had 3 admissions, 18 had 4 admissions, 18 had 5 admissions, and 15 had 6 admissions or more admissions. Does the data support the mayor's claim? Show the calculations or..
A Michelson interferometer uses light from glowing hydrogen at 486.1 nm. As you move one mirror, 530 bright fringes pass a fixed point in the viewer. How far did the mirror move.
A hollow cylinder of radius and height has a total charge uniformly distributed over its surface. The axis of the cylinder coincides with the z axis, and cylinder is centered at the origin.
What is the separation distance between speaker and listener
A metal ball with diameter of a half a centimeter and hanging from an insulating thread is charged up with 1020 excess electrons. An initially uncharged identical metal ball hanging from an insulating thread is brought in contact with the first ball,..
Assuming biological substances are 98 percent water, estimate the masses of a cell with a diameter of 0.7 µm, a human kidney, and a fly. Take a kidney to be roughly a sphere with a radius of 5.0 cm and a fly to be roughly a cylinder 4.90 mm long a..
A screen is placed 51.0 cm from a single slit that is illuminated with light of wavelength 677 nm. If the distance between the first and third minima in the diffraction pattern is 2.80 mm, what is the width of slit.
What would be the time constant in a RC circuit when R = 200 kohms and C = 10mf? 20
An archer puts a 0.54 kg arrow to the bowstring. An average force of 202 N is exerted to draw the string back 1.3 m. suppose that air resistance is negligible.
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