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A 2900 kg truck traveling north at41 km/h turns east and accelerates to 56 km/h.
a) What is the change in the truck's kinetic energy?
b) What is the magnitude of the change in the linear momentum of the truck?
c) What is the direction of the change in the linear momentum of the truck?
Treating the pulley as a uniform disk, determine the speeds of the two objects as they pass each other.
In a typical living cell, the electric potential inside thecell is 0.070 V lower than the electric potential outside the cell. The thicknes of the cell membrane is 010 μm. What is the magnitude and direction of the electric fieldwithin the cell m..
in a series r-l-c circuit the phase angle is 40.0 with the source voltage leading the current. the reactance of the
The current in the coil above is adjusted to produce a fieldstrength of 2.0 mTesla. The axis of the coil is horizontal andalong the east-west direction. Find the direction of the net field from both sources
How much work is done by the horizontal force F_p = 150 N on the 18 kg block of the figure when the force pushes the block 5.5 m up along the 32 degree frictionless incline
A solid, horizontal cylinder of mass 9.0 kg and radius 1.30 mrotates with an angular speed of 6.00 rad/s about a fixed verticalaxis through its center. Determine the final angular speed of the system
In an experiment, 200 g of aluminum (with a specific heat of 900 J/kg·K) at 100°C is mixed with 48.0 g of water (4186 J/kg·K) at 20°C, What is the entropy change of the aluminum
The electric field lines on the left have twice the separation of those on the right. If the magnitude of field at point-A is 60 V/m, what is the magnitude of the field at point-B.
A 8.80-g bullet has a speed of 1.17 km/s. What is the bullet's kinetic energy if its speed is halved
q1. throughout a hard sneeze your eyes may shut for 0.41 s. if you are driving a car at 98 kmh during such a sneeze how
What is the image distance and What is the lateral magnification
A 270-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 40° with the horizontal. What is the angular speed of the sphere at the bottom of the slope
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