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A girl of mass 40 kg jumps with a horizontal velocity of 5 m s-1 onto a stationary cart with frictionless wheels. The mass of the cart is 3 kg. What is her velocity as the cart starts moving? Assume that there is no external unbalanced force working in the horizontal direction?
The multiplicity for a particular system is ?= exp(N^2V^3U^1/2/?), What is the system's entropy, temperature, chemical potential, pressure and heat capacity at constant volume
Galaxy A is moving away from us with a speed of 0.80c relative to the earth. How fast is galaxy A moving according to an observer in galaxy B
A massless spring is compressed between blocks of mass x and 5x on a smooth horizontal frictionless surface. What fraction of the total energy does the small block recieve
question1a jet plane w a constant speed along a straight line at an angle 30 degrees above horizontal. the plane is
The basic concepts in optics.
An oscillating LC circuit has a current amplitude of 8.00 mA, a potential amplitude of 250 mV, and a capacitance of 215 nF. What is the maximum energy stored in the capacitor
When you submerge a 1 kg gold statue into the water and measure the volume of displaced water, show that, for pure gold, the volume of water displaced will be 51.8 cm^3.
Find out the angle of the thread. If the locomotive can exert a constant pull of 8.36E+5 N, how long does it take to increase the speed of the train from rest to 80.7km/hr.
Light of wavelength 530 nm passes through a slit of width 0.210 mm. The width of the central maximum on a screen is 8.50 mm. How far is the screen from the slit
a 50-N crate is pulled up a 5-m inclined plane by a worker at a constant velocity. what is the force applied by the worker
The motion detector used in a physics lab sends and receives 49.55 kHz ultrasonic pulses. find the wavelength of the waves emitted by the motion detector
A person takes a trip, driving with a constant speed 90 km/h except for a 15 minute rest stop. If the person's average speed is 45 km/h, how far does the person travel
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