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A lorry, of mass 38000 kg, starts up a hill of gradient 1 in 12. The constant acceleration is 0.06 m/s2 and resistance to motion is 1200 N (not gravitational force). What is the tractive force in Newtons exerted by the lorry's driving wheels?
A beam of sodium light (landa =589 nm) is incident from air on a smooth surfac of water at an angle of 65 degrees (with respect to the vertical). Determine the wavelength of the light in the water
Molybdenum has a work function of 4.2 eV. Find the cutoff wavelength for the photoelectric effect. The speed of light is 3 × 108 m/s and Planck's constant is 6.626 × 10-34 J · s. Answer in units of nm. Calculate the stopping potential if the incident..
At a certain part of yourdrive from home to school, your car (mass = 1400 kg) will coast inneutral at a constant speed of 84 km/h if there is no wind. What is the total resistive force
A 440-turn solenoid is 30 cm long and 1.1 cm in diameter and carries 57 mA. How much magnetic energy does it contain
An Argon ion laser has a gain bandwidth of 2 GHz. Find the number of standing wave cavity modes within the gain bandwidth of the argon ion laser
Light from an argon laser strikes a diffraction grating that has 5330 grooves per centimeter. Determine the wavelength of the laser light
A 3kg object moving along the positive x direction with a speed of 10m/s exploeds into a 2kg and a 1kg fragments. what is the speed of the 2kg fragment?
A 0.50 kilogram cream pies strike a circus clown in the face at a speed of 5.00 m/s and stops. Find what is the change in kinetic energy of the pie
compute the impedance of a series r-l-c circuit at angular frequen2cy of 500 rads. r 200ohms l.9 h and c 2uf. what is
In a typical Hollywood movie stunt, a person jumps off a building and lands on a cushion to safely stop. How much voltage should the battery have to stop the object as it reaches the ground
The maximum current in a 26?F capacitor connected to an ac generator with a frequency of 110Hz is 0.15 A. What is the maximum voltage of the generator
A 750 kilogram elevator starts from rest. It moves upward for 3.50 second with constant acceleration until it reaches its cruising speed, 1.75 m/s. Find how does this power compare with the motor power when the elevator moves at its cruising speed
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