Ryan runs 50 m north and then 50 m east. What is his displacement? O 100 meters, northeast
O 5000 meters, northeast
O 71 meters, northeast
O 50 meters, north

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?