An aircraft weighing 1,500 N has a mass of 153 kg
a. True
b. False
Indicate whether the statement is true or false
True
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What could have been habitable if the Sun had been twice as massive?
A: Mercury B: Venus C: Jupiter's moons D: Neptune E: Pluto
A proton (mass = 1.67 × 10^-27 kg, charge = 1.60 × 10^-19 C) moves from point A to point B under the influence of an electrostatic force only. At point A the proton moves with a speed of 60 km/s. At point B the speed of the proton is 80 km/s. Determine the potential difference VB - VA
a. +15 V b. -15 V c. -33 V d. +33 V e. -20 V
Which statement is incorrect?
a. A kilogram has an equivalent weight greater than that of a pound. b. A kilometer is longer than a mile. c. A meter is longer than a yard. d. A liter is larger than a quart.
A rectangular coil (0.20 m × 0.80 m) has 200 turns and is in a uniform magnetic field of 0.30 T. When the orientation of the coil is varied through all possible positions, the maximum torque on the coil by magnetic forces is 0.080 N × m. What is the current in the coil?
a. 5.0 mA b. 1.7 A c. 8.3 mA d. 1.0 A e. 42 mA