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You are preparing for a 5-day backpacking trip where you plan to use a gasoline cook stove for about 30 min each morning and night. The description of your cook stove brags that the stove can warm 1 L of water to boiling in about 12 min.
(a) Estimate the minimum amount of gasoline you should take on your trip.
(b) Explain why the assumptions you made in your calculation for part a mean that the amount of gas you actually need will probably be somewhat larger.
A pitcher pitches the ball (m = 150 g) at 40.3 m/s. The batter makes contact with the ball for 0.001 s, Find the net average force on the ball
Particle X has a speed of 0.790 c and a momentum of 5.06×10-19 kgm/s. What is the mass of the particle? What is the rest energy of the particle
You have a string with a mass of 0.0133 kg. You stretch the string with a force of 9.81 N, giving it a length of 1.87 m. find the wavelength of the standing wave you create in the string
A series RLC circuit has a resistance of 80? , an inductance of 0.48H , and a capacitance of 3.0, f= 130Hz. What is the impedance at that frequency??F
A circuit is powered by a 12.0 V battery in series with R1=25 ohms A second set of resistors R2= 75 ohms, What is the voltage drop across the 75 ohm resistor
A coin is dropped from a hot-air balloon that is 295 m above the ground and rising at 8.5 m/s upward. Find the maximum height reached for the coin in meters
Moonlight is primarily reflected sunlight. If the moon reflects 15% of the photons that strike its surface, and we know that the intensity of sunlight at earth is I, what is the intensity of moonlight at the Earth during a full moon
A series RLC circuit with R = 43 Ohms , L = 270 mH , Find the maximum frequency of the frequency range over which the peak current will exceed half its value at resonance
Raindrops fall 1400 m from a cloud to the ground. If they were not slowed by air resistance, how fast would the drops be moving when they struck the ground
A point charge q = 1.45 nC is placed in the center of a spherical cavity of an isolated spherical conductor of inner radius 4 cm and outter radius 12cm
A 3.00 cm × 5.00 cm rectangular piece of copper is at a temperature of 10.0°C. The coefficient of linear expansion of copper is 17.0 × 10-6/°C. find the change in the area of the rectangular piece of copper
A rod of length ? with uniform charge per unit length ? , where ? > 0, is placed a distance d from the origin along the x axis, The segment is at a distance x from the origin, Determine the electric field
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