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a car is traveling due north at 19.3m/s.
find the velocity of the car after 7.03 s if its acceleration is 1.30m/s^2 due north.
find the velocity of the car after 7.03s if its acceleration is 1.06m/s^2 due south.
What is the magnitude of the external force essential to hold a 2 kg cart motionless at the top of a 2m high incline which is 30 degrees.
A horizontal force a of magnitude 22 N is applied to a 3.25 kg psychology book, as book slides a distance d = 0.500 m up a frictionless ramp.
A 3000 kg truck traveling north at 30 km/h turns east and accelerates to 48 km/h. What is the change in the truck's kinetic energy
Zach, whose mass is 64kg , is in an elevator descending at 10m/s. What is Zach's apparent weight while the elevator is braking
In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0612 of the original volume and the pressure that is 46 times the original pressure. What is the temperature of the air after the compression.
A dog running in an open field has components of velocity v_x = 3.0 m/s and v_y = -1.2 m/s at time t_1 = 11.4 s. For the time interval from t_1 = 11.4 s to t_2 = 24.7 s, What is the magnitude of the dog's velocity
A man clearly see an object that is 2m away(or more) without glasses. if the glasses have a refractive power of +1.50D, how close can an object be to the eyeglasses
The weight of passengers on a roller coaster increases by 60% as the car goes through a dip with a 38m radius of curvature
A box of bananas weighinh 40 N rests on a horizontal surface. The coefficient of static friction between the box, the magnitude of the frictional force is
The critical angle of a certain piece of plastic in air is ?c = 37.3º, what is the critical angle if the piece of plastic is immersed in water
An L-R-C circuit has an inductance of 0.490H , a capacitance of 2.90×10?5F , and a resistance of R. What is the angular frequency of the circuit when R=0
A ski jumper has 1.2 ´ 10 J of potential energy at the top of the ski jump. The friction on the jump slope is small, but not negligible. What can you end about the ski jumper's kinetic energy at the bottom of the jump.
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