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Some object moves 220.0 m at an angle of 42° north of west. During this motion, a 68.0 N force acts on the same object, doing +5460.0 J of work on the object. Assuming the force is applied horizontal to ground, what is this force's orientation? Is there more than one possible answer? Explain.
You are given a charged metal sphere mounted to an insulating post. You have two other identical but uncharged spheres on their own similar insulating posts. Explain the procedure to give the two uncharged spheres each a roughly equal but opposite..
An apple weighs 1.01 . When you hang it from the end of a long spring of force constant 1.56 and negligible mass, it bounces up and down in SHM, What is the unstretched length of the spring
A proton has a speed of 0.80c.Calculate the rest energy of the proton. Calculate the total energy of the proton
A charged particle moving with speed, v, enters a region containing a uniform magnetic field, Starting from Newton's second law, derive the formula for the radius of the particle's orbit in terms of its mass, m, speed, v, and the magnetic field, B
A car dealer claims that his product would accelerate at a constant rate from rest to a speed of 200 km/hr in 8s. What approximate distance will the car travel.
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.
A cyclotron particle accelerator (sometimes called an "atom smasher" in the popular press) is a device for accelerating charged particles, How fast are these protons moving when they hit the tumor
Ultrasound reflected from an oncoming bloodstream that is moving at 22.0 cm/s is mixed with the original frequency of 3.00 MHz to produce beats
An open organ pipe has its fundamental frequency at 320 Hz. The first overtone of a closed organ pipe has the same frequency as the first overtone of the open pipe, How long (in meters) is the closed pipe
A segment of wire carries a current of 20 A along the y-axis from y = 2.0 to y =0 and then along the x axis from x = 0 to x =-4.0 m. What is the magnitude of the force on this segment of wire
Two electrons are fixed 2.00 centimeters apart. Another electron is shot from infinity and comes to rest midway between the two fixed electrons. Find the initial speed of the electron
A laboratory technician drops an 83.5g solid sample of unknown material at a temperature of 100?C into a calorimeter. Compute the specific heat capacity of the sample
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