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There is a mirror in my car that has a warning stating that "objects in mirror are closer then they appear". If a 1.6 m tall vehicle located 4 m in front of that mirror produces an image that is 8 cm tall, what kind mirror is this? Find the radius of curvature of this mirror. Supplement your solution with a diagram. Specify the type of image, magnification, and image distance.
A rocket with a mass of 2.0x10^6 kg is designed to take off from the surface of the earth by burning fuel and ejecting it with an exhaust speed of 3500 m/s. What is the minimum rate at which the fuel should be consumed in order to attain liftoff?
Suppose that the specific heat capacity cp Of the body discussed in Section 7.6 of the text is 10 J kg-1 K-1and T1 =200 K. Find the entropy change of the universe in both cases
A rectangular block of ice 12 m on each side and 1.2m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917kg/m3.
An AC voltage source, with a peak output of 200V, is connected to a 50 ohm resistor. What is the rate of energy dissipated due to heat in the resistor
Ions having equal charges but masses of M and 2M are accelerated through the same potential difference, what is the radius of the arc followed by the lighter
The escape velocity of a bullet from the surface of planet Y is 1823 m/s. Calculate the escape velocity from the surface of the planet X if the mass of planet X is 1.47 times that of Y,
A slender rod with a length of 0.300m rotates with an angular speed of 8.80rad/s about an axis through one end and perpendicular to the rod. What is the induced emf in the rod
A motorist inflates the tires of her car to a pressure of 170 kPa on a day when the temperature is -8.0°C. What is the temperature of the tires
A 0.30 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20 kg puck that is initially moving along the x axis with a velocity of 1.8 m/s. Find the fraction of kinetic energy lost in the collision
A double-slit experiment has slit spacing 3.8 × 102 mm, slit-to-screen distance 2.2 m, and wavelength 500 nm. What is the phase difference between two waves arriving at a point 0.48cm from the center line
How much energy does a 100 watt light bulb use in 1 hour? Express your answer in joules Also find how much money it costs if electricity sells for 10 cents per kW-h.
An iron bar of mass, 0.73 kg, slides down a frictionless incline 0.91 m high. find the speed of the combined masses after collision
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