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A small charged bead has a mass of 3.0g . It is held in a uniform electric field E→ = (200,000 N/C, up). When the bead is released, it accelerates upward with an acceleration of 30m/s2
What is the charge on the bead? Express your answer to two significant figures and include the appropriate units.
A 94 g piece of ice at 0.0°C is placed in an insulated calorimeter of negligible heat capacity containing 100 g of water at 100°C, What is the final temperature of the water once thermal equilibrium is established
Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. Determine the current in the rods
An archer shoots an arrow with a velocity of 45m/s at an angle of 50 degrees with the horizontal. An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the least initial speed required to ..
an aerosol can is pressured at 440kpa when its refrigerated at 3 degree celsius. the can warns against temperatures in
A charge of -1.0 µC is located at the origin, a second charge of 2.6 µC is located at x = 0, y = 0.1 m, Find the forces that act on each of the three charges
A physics book slides off a horizontal tabletop with a speed of 2.30 m/s. It strikes the floor in 0.350 s. Find the height of the tabletop above the floor
q.1. a particle leaves the origin with an initial velocity 6.67 ms and a constant acceleration - 2.48 - 4.29 ms2.
A 220 cm length of string has a mass of 1.9 g. It is stretched with a tension of 7.1 N between fixed supports. What is the wave speed for this string? What is the lowest resonant frequency of this string?
an electric dipole consists of charges e and -e separated by 0.90 nm. it is in an electric field of strength 3.00 106
Compute the change in potential energy of an 82.8-kg man when he takes an elevator from the first floor to 26th floor, if the distance between floors is 4.05 m. Approximately 9.4 × 106 kg of water drops 56 m over Niagara Falls every second. How much ..
A sound wave traveling at 341m/s is emitted by foghorn of a tugboat. An echo is heard 3.30s later.
The purpose of this assignment is to study the achievements of Indigenous role models and identify their contributions to Australian society. Within this task students research the life stories of Indigenous role models and the ways in which they ..
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