A 2-m-long fishing rod AB is securely anchored in the sand of a beach. After a fish takes the bait the resulting force in the line is 30 N. Determine the perpendicular distance from point A to a line drawn through points B and C

Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit

Which of the following is not a physical property of mattera. melting pointb. heat of combustionc. viscosityd. boiling point