In this photograph, the large and bright object in the sky is

A) a comet.
B) an asteroid.
C) a meteor.
D) the northern lights


A) a comet.

Physics & Space Science

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Discuss advantages and disadvantages of using a large control volume.

What will be an ideal response?

Physics & Space Science

Jack, a quarterback, imparts a spin with his fingers when he throws the football during a match. The concept of _____ explains why the ball continues to spin rapidly as it flies through the air

A) kinetic energy B) angular momentum C) linear force D) specific gravity

Physics & Space Science

To say a circuit is dc is to say that current in the circuit

A) has a single direction. B) alternates only slowly. C) is parallel to the connecting wires.

Physics & Space Science

An ideal fluid, of density 900 kg/m3, flows at 4.80 m/s through a level pipe with radius of 0.22 cm. The pressure in the fluid is 1.3 × 10^5 N/m2 . This pipe connects to a second level pipe, with radius of 0.72 cm. Find the speed of flow in the second pipe

a. 51 m/s b. 1.5 m/s c. 0.45 m/s d. 16 m/s e. 4.9 m/s

Physics & Space Science