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A charge q1 = 18.0 µC moves with a speed of 4.50 103 m/s perpendicular to a uniform magnetic field. The charge experiences a magnetic force of 7.41 10-3 N. A second charge q2 = 4.00 µC travels at an angle of 40.0° with respect to the same magnetic field and experiences a 1.80 10-3-N force. Determine
(a) the magnitude of the magnetic field and T
(b) the speed of q2. m/s
A car takes 11 s to go from v = 0 to v = 80 m/s at about constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value must you use for a.
What would be the equilibrium temperature when a 253-g block of copper at 281^circ C is placed in a 137g aluminium calorimeter cup containing 817-g of water at 14.5^circ C.
If the car had been going 10m/s but had stopped in the same d = 167m distance, what would its acceleration have been.
A spring has a force constant of 931N/m and an unstretched length of 8 cm. One end is attached to a post that is free to rotate in the center of a smooth table.
A woman walks 290 m in the direction 37° east of north, then 177 m directly east. Find (a) the magnitude and (b) the angle (from due east) of her final displacement from the starting point. (c) Find the distance she walks.
A 3.5 k and a 1.5 k resistor are connected in parallel and this combination is connected in series with a 1.8 k resistor. If each resistor is rated at 1/2 W, what is the highest voltage that can be applied across the whole network.
A 30 kg box is pushed by a horizontal force of 900. N as it slides up a plane inclined at an angle of 30 degrees with the horizontal. The coefficient of friction between box and plane is 0.20. How far-off will the box travel along the plane in 5.0..
Rubber stopper attached to one end of the string and 100 g mass attached to the other end. A student gets the rubber stopper going in a horizontal circle above her head.
An aluminium cup of 180 cm3 capacities is totally filled with glycerin at 18° C. How much glycerin (in cubic cm) would spill out of the cup if temperature of both the cup and glycerin is increased to 33° C? (The linear expansion coefficient of alumin..
How much horizontal force should a sprinter of mass 57.0 exert on the starting blocks to produce this acceleration.
assume that for the couple in, you were told that the girl's mass was two-thirds that of the boy. The boy has a velocity of v = +0.61 m/s. What would be the girl's velocity in this case.
Portray how asynchronous simulation can be used to predict the motions of this system and outline the data structures that would be necessary to implement such a program.
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