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A large research balloon containing of helium gas at 1.00 and a temperature of 15.0 rises rapidly from ground level to an altitude at which the atmospheric pressure is only 0.900 (the figure (Figure 1) ). Assume the helium behaves like an ideal gas and the balloon's ascent is too rapid to permit much heat exchange with the surrounding air. What is the change in internal energy of the helium as the balloon rises to the higher altitude?
A small, 300 g cart is moving at 1.30 m/s on an air track when it collides with a larger, 4.00 kg cart at rest. What is the speed of the large cart after the collision
An eyepiece of 2.1- cm focal length and an objective of 0.34- cm focal length are used in a standard microscope. What power should be marked on the eyepiece
What is the distance between deer a and c
An iron wire has a cross-sectional area of 1.14 10-5 m2. Carry out steps (a) through (e) to compute the drift speed of the conduction electrons in the wire, If the wire carries a current of 9.0 A, calculate the drift speed of conduction electrons
Wonder Woman and Superman fly to an altitude of 1650 km, carrying betwen them a chest full of jewels that they intend to put into orbit around Earth. At what speed does the chest impact the surface of the water
q1. a highway curve with a radius of 555 m is banked properly for the car travelling 150 kmh. if a 1650 kg porshe 928 s
You have an awkwardly shaped object with an inertia of 1.5kg that has a tiny hook at one end. What is the moment of inertia of the object
A converging lens of focal length 8.020 cm is 20.3 cm to the left of a diverging lens of focal length -6.47 cm. Find the magnification of the coin's final image
Derive the speed of a satellite in a circular orbit of radius R about planet of mass M, show the connection between v and T (orbital period)
The locomotive is moving at 25 km/h. The engineer of the high speed train immediately applies the brakes. What must be the magnitude of the resulting constant deceleration if a collision is to be just avoided.
If an electron-positron pair with a total kinetic energy of 3.50 MeV is produced, find the frequency of the photon that produced the pair
what is length of the stick as measured from S?
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