4 The temperature at the center of the sun is 1.55 x 10' K. Express this in degrees

Fahrenheit.

OA (2.33 x 106 °F

0 B (1.01 * 109°F

OC (3.22 x 108, °F

OD (2.79 x 107°F

A horizontal pipe has an abrupt expansion from D1 = 5 cm to D2 = 10 cm. The water velocity in the smaller section is 8 m/s and the flow is turbulent. The pressure in the smaller section is P1 = 380 kPa.

Suggest and explain two ways to reduce heat loss through the doors of the house.

A solid wood door 1.00 m wide and 2.00 m high is hinged along one side and has a total mass of 45.0 kg. Initially open and at rest, the door is struck at its center by a handful of sticky mud with mass 0.

How long does it take adrian to reach his destination if his displacement is 253 meters and he walks north with a velocity of 1.6 m/s?

What is the name of a scientist that studies the Movment of living things?

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.