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Is the force of friction the same for different angles of incline if all other parameters are equal? Explain by specifically considering the angles used in the experiment. Angles of 30 and 45 degrees were used with a car being moved up and down the inclined plane.
A car makes a trip due north for three-fourths of the time and duesouth one-fourth of the time. The average northward velocity has amagnitude of 24 m/s, and the averagesouthward velocity has a magnitude of 23 m/s.
A person pushes a 17.2-kg shopping cart at a constant velocity for a distance of 24.2 m on a flat horizontal surface. Determine the work done by the pushing force
A horse canters away from its trainer in a straight line,moving 150 m away in 11.0 s. It then turns abruptly and gallops halfwayback in 4.5 s. Calculate its average speed.
What is the distance of closest approach of the two particles? (Assume that the gold nucleus remains stationary
A 75.0 kg stunt man jumps from a balcony and falls 22.5 m before colliding with a pile of mattresses. what is the average force exerted by the mattresses on the stuntman
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0682 s, determine the vertical components of the launch velocity.
Consider resistor= 20 ohms, capacitor= 6 microfarads, and a 50 mH inductor, At what frequency is the current a maximum and what is the maximum rms current
Two radio-frequency point sources S1 and S2, separated by distance d = 1.6 m, are radiating in phase with ? = 0.4 m. How many maxima does it detect
find the velocity of the plane relative to the ground.
A box of mass 2.1 kg is on a horizontal surface. The coefficient of friction between the box and the surface is 0.32. Find the acceleration of the box
A 0.042 kg aluminum bullet traveling at 456 m/s strikes an armor plate and comes to a stop. what is the bullet's temperature change in degrees Celsius
The electron in a hydrogen atom makes a transition from the n = 3 state to the n = 2 state Determine the linear momentum of the photon emitted as a result of this transition. (in kg*m/s)
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