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Question1
Find out the normal force for a laundry basket with a mass of 3.4 kg in each of the following situations
(a) at rest on a horizontal surface
(b) at rest on a ramp inclined at 12° above horizontal
(c) at rest on a ramp inclined at 25° above horizontal
(d) at rest on a ramp inclined at 45° above horizontal
Question2
Some sliding rocks advance base of a hill with a speed of 16.0 m/s. The hill rises at 44.0 degrees above horizontal and has coefficients of kinetic and static friction of 0.420 and 0.580, respectively, with these rocks. Start each part of the solution to this problem with a free-body diagram.
A 23g bullet traveling 260 m/s penetrates a 2.7 kg block of wood and emerges cleanly at 205m/s. how fast does it move after the bullet emerges
If the electric field in an EM wave has a peak value of 0.45X10^-4 V/m, what is the peak value of the magnetic field strength
A hanging block A ( Ma = 15 kg) is connected by a light cable and a pulley wheel to a second block B ( Mb = 10 kg) situated at the bottom of a frictionless inclined plane with angle %u03B8 = 30o to the horizontal
The wavelength of an electromagnetic wave is measured to be 4.15 x 10^-6 m. What is the frequency of the wave, What type of EM wave is this
When a 50.0-V emf device is placed across two resistors in series, a current of 12.0 A is flowing in each of the resistors. What is the magnitude of the larger of the two resistances
The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38Nm. With what force must you pull
Consider three resistors with unequal resistances connected in series to a battery. Which of the following statements are true? 1. The current flowing through each of the resistors is the same and is equal to the current supplied by the battery.
A monatomic ideal gas in a rigid container is heated from 212 K to 305 K by adding 7840 J of heat
The sound produced by the loudspeaker has a frequency of 12002 Hz and arrives at the microphone via two different paths. The sound travels through the left tube LXM that has a fixed length.
You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0 m above the ground. find minimum speed will allow the ball to clear the roof
An open train car, with a mass of 2150 kg, coasts along a horizontal track at the speed 2.43 m/s. What is the car's speed after the loading is completed
What is the velocity of 5.5kg object with a force of 2.5N while it reaches 6.0 meters, assuming the velocity at zero meters is zero.
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