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A parachutist with a camera descends in free fall at a speed of13 m/s. The parachutist releases the camera at an altitude of 100 m.
a) How long does it take the camera to reach the ground?
b) What is the velocity of the camera now before it hits the ground?
The resolution of the eye is eventually limited by the pupil diameter. What is the smallest diameter spot the eye can produce on the retina if the pupil diameter is 3.16 mm? Suppose light with a wavelength of =550 nm.
For your senior project, you are designing a Geiger tube for detecting radiation in the nuclear physics laboratory. This instrument will consist of a long metal cylindrical tube that has a long straight metal wire running down its central axis.
When you take a bath, how many kilograms of hot water (36.4°C) must you mix with cold water (14.4 °C) so that thetemperature of the bath is 32.8 °C? The total mass of water(hot plus cold) is 183 kg.
Given that the rotational constant of HF is 20.5cm-1, calculate the bond length of HF molecule
question a 5 turn loop of wire with a radius of 4cm moves toward a 0.15t magnetic field in a 3 second time interval.
question1as standing at the edge of the roof of a building you throw a stone upward with an initial speed of 7.87 ms.
Because of the cramped space under the hood, you'll need to pull at an angle of 105 with respect to the wrench shaft. Illustrate with what force must you pull?
Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If one ball's initial speed was 2.00 m/s, what will be their speeds after the collision
A missile of mass 1.10 102 kg is fired from a plane of mass 5.10 103 kg initially moving at a speed of 3.50 102 m/s. determine is the final velocity of the plane
An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 3.50 mT. Determine the radius of the circular path
The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net, With what minimum average speed must he move
How much energy can be obtained from conversion of 1.0 gram of mass? How much mass could this energy raise to a height of 0.23 km above the Earth's surface?. What is the speed of a proton accelerated by a potential dissimilarity of 112 MV?
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