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A modern-day zeppelin holds 8,310 m3 of helium. Calculate its maximum payload at sea level. (Suppose the helium and air to be at 0°C and 1 atm.)
at what speed must an object be moving in order that it haskinetic energy 1.50 times its rest energy
A common capacitor found in the lab is in the form of a cylinder of length 2.5 cm. Suppose it is an air filled cylindrical capacitor with radii 1.4 cm and 1.5 cm. What is the value of the capacitance
An astronomer is making an observation of a new-discovered galactic object. Part of this observation is the study of the light emitted by the object. It is observed that this light includes a clear pattern of the emission spectrum of atomic hydrogen
with what minimum speed must you toss a 190 g ball straight up to hit the 10 m-high roof of the gymnasium if you
When a certain metal is illuminated by light of frequency 3.3 multiplied by 1015 Hz,a stopping potential of 6.9 V is required to stop the most energetic ejected electrons. What is the work function of this metal?
A torque of 11Nm is applied to a heavy wheel whose moment of inertia is 34 kgm2. What is the angular acceleration of the wheel
It takes 4.186 Joule of energy to raise the temperature of 1 gram of water by 1oC. Determine how fast would a cricket have to jump to have that much kinetic energy
a total of 3.26 x 106 electrons are placed on an initially uncharged wire of length 1.24 m.a what is the magnitude of
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 126-kg laser sensor which measures the thickness of the ice, find the tension in the cable towing the sensor
1. - discuss the transient and steady states of a dc circuits response to a step input.2. -what components must be
a grinding wheel is in the form of a uniform solid disk of radius 6.99 cm and mass 1.97 kg. it starts from rest and
Two balls attached to strings have the same mass and volume, but are made of different materials. Which ball exerts a greater net force on the block
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