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A certain electromagnetic field traveling in vacuum has a maximum electric field of 1200 V/m. What is the maximum magnetic field of this wave? (c = 3.0 × 108 m/s
Two trains (1 and 2), each having a speed u are initially (i.e. t = 0) a distance d apart and are headed towards each other on the same track. Calculate the time at which the trains crash
What angle does the water surface make with the horizontal?
A hockey puck has an initial velocity of 45 m/s and a final velocity of 26 m/s. If the mass of the puck is 0.20 kg, what is the horizontal force on the puck
A violin is tuned by adjusting the tension in the strings. OnBrian’s violin, the “A” string is tuned to aslightly lower frequency than Andrew’s, which is correctlytuned to 440.0 Hz.
A centrifuge in a medical laboratory rotates at an angular speed of 3600 rev/min. Determine the constant angular acceleration of the centrifuge
A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest. The bullet emerges from the block with speed of 400 m/s. a.) How much energy was lost in the collision? b.) Calculate the average force exerted on the block as..
an electron and a proton are initially very far apart effectively an infinite distance apart. they are then brought
A 10.0- shell is traveling horizontally to the right at 25.0 relative to the ground when it explodes into two fragments, Find the magnitude of the velocity of the heavier fragment relative to the ground just after the explosion
A 450 cm3 block of aluminum (D = 2.7 g/cm3) is lowered carefully into a completely full beaker of water. What is the weight of the water
A string is wrapped around a pulley of radius 0.20 m and moment of inertia 0.40 kg*m^2. What is the magnitude of the resulting angular acceleration of the pulley
An alpha particle (which is a helium nucleus, Q=+2e, m=6.64×10 27 kg) is emitted in a radioactive decay with KE = 5.43 MeV.What is its speed? Compute the magnitude of the force among two 5.10C point charges 6.6cm apart.
A step-up transformer has 24 turns on the primary coil and 780 turns on the secondary coil. what input current and voltage are needed
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