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If two carts were hooked together at rest. Then a small explosion occurs and the carts move in opposite directions. Is momentum conserved? is Energy conserved? Explain
When four people with a combined mass of 305 kg sit down in a 2.0 103-kg car, The four people get out of the car and bounce it up and down. What is the frequency of the car's vibration
If it starts 4.70m from the lower edge of the roof, how fast will the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 21.0N
A spherical capacitor contains a charge of 3.50nC when connected to a potential difference of 220V. Calculate the radius of the inner sphere
A single slit has a width of 1.8 x 10^-6 m and is used to form a diffraction pattern. Find the angle that locates the 2nd dark fringe
A woman weighs 180 lb. Determine the following her weight in newtons and her mass in kilograms
A step-up transformer has 10 turns on the primary coil and 500 turns on the secondary coil. what input current and voltage are needed
Balmer discovered the famous formula that bears his name by inspection and trial and error. See if you can discover the formula for each of the following series of wavelengths. Each formula involved an integer n, but, as in the Balmer formula, n m..
A 9.10 kg board is wedged into a corner and held by a spring at a 50° angle, as the Illustrating shows. The spring has a spring constant of 196 N/m and is parallel to the floor.
For a car moving at speed v, the force of air drag on the car is proportional to v^2 . Suppose the power output of the car is doubled, by what factor is the speed of the car increased
A toy car of mass 2.0 kg is stationary and a child rolls a truck of mass 3.5kg straight toward it with a speed of 4.0 m/s. What is the velocity of the center of mass of the system
What is the wavelength of the waves on the string?
Find the required angular speed, omega, of an ultracentrifuge for the radial acceleration of a point 3.00cm from the axis to equal 4.00×105 g
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