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A 29.0kg crate is initially moving with a velocity that has magnitude 4.08m/s in a direction 37.0 west of north.
How much work should be done on the crate to change its velocity to 5.82m/sin a direction 63.0 south of east?
A total charge of 7.40 x 10^ -6C is distributed on two different small metal spheres. How much charge is on each sphere
Two narrow slits 41 µm apart are illuminated with light of a wavelength 604 nm. What is the angle of the m=3 bright fringe in degrees.
A ball of mass 0.200 kg has a velocity of ; a ball of mass 0.300 kg has a velocity of . They meet in a head-on elastic collision. Proof that the collision was elastic
The vector position of a 3.80 g particle moving in the XY plane varies in time according to \(r_1= (3i + 3j)t + 2t^2\), Determine the vector position of the center of mass at t = 2.90
A 16-QAM modulator with 2 voltage levels uses maps the symbols on equal phases on both voltage levels. Draw the signal space (constellation) for your assumed phase angles.
a 0.54 cm high object is placed 8.5 cm in front of a diverging lens whose focal length is -7.5 cm. what is the height
A car moving at 10.0 m/s encounters a bump that has a circular cross-section with a radius of 30.0 m. What is the normal force exerted by the seat of the car on a 60.0-kg passenger
When a 0.111 kg mass is suspended at rest from a certain spring, the spring stretches 4.10 cm. Find the instantaneous acceleration of the mass when it is raised 5.80 cm, compressing the spring 1.70 cm.
When a turntable rotating at 45 rev/min is shut off, it comes to rest in 20 s. Find the angular acceleration
In your lab experiment you used Velcro- equipped gliders. Glider A had a mass of 1 kg and glider B had a mass of 0.5 kg. Find the final velocity of the joined gliders
The ammonia molecule NH3 has a permanent electric dipolemoment equal to 1.31 D, where 1 D = 1debye unit = 3.34 multiplied by10-30 C·m. Calculate the electric potential dueto an ammonia molecule at a point 51.0 nmaway along the axis of the dipole. (S..
If an X-ray beam of wavelength 1.4 × 10-10 m makes an angle of 30° with a set of planes in a crystal causing first order constructive interference, what is the plane spacing
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