All type I supernovae are caused by white dwarfs
a. True
b. False
Indicate whether the statement is true or false
False
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A circular coil (radius = 0.40 m) has 160 turns and is in a uniform magnetic field. When the orientation of the coil is varied through all possible positions, the maximum torque on the coil by magnetic forces is 0.16 N ? m when the current in the coil is 4.0 mA. What is the magnitude of the magnetic field?
A. 0.37 T B. 1.6 T C. 0.50 T D. 1.2 T E. 2.5 T
Most stars in the Milky Way's halo are ________
A) found inside molecular clouds B) very young C) blue or white in color D) very old
What is the maximum radiation pressure exerted by sunlight in space (S = 1350 W/m2) on a flat black surface?
a. 2.25 × 10^?5 Pa b. 0.06 Pa c. 7 × 10^?4 Pa d. 4.5 × 10^?6 Pa e. 9.0 × 10^?6 Pa
the space time interval between the events?
A. Jennifer B. Rob C. The train passengers