Cynthia Bell
2021-12-16
Answered

An iceberg (specific gravity 0.917) floats in the ocean (specific gravity 1.025 ). What percent of the volume of the iceberg is under water?

You can still ask an expert for help

asked 2021-02-09

In Figure, a stationary block explodes into two pieces and R that slide across a frictionless floor and then into regions with friction, where they stop. Piece L, with a mass of 2.6 kg, encounters a coefficient of kinetic friction

asked 2021-04-21

The arm weighs 44.0 N. The force of gravity acting on the arm acts through point A. Determine the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.

t=N

s=N

t=N

s=N

asked 2021-01-05

A 0.48 kg piece of wood floats in water but is found to sinkin alcohol (specific gravity= 0.79) in which it has an apparentmass 0.035 kg. What is the SG of the wood?

asked 2021-02-21

A 0.75-kg ball is attached to a 1.0-m rope and whirled in avertical circle. The rope will break when the tension exceeds 450 N. What is the maximum speed theball can have at the bottom of the circle without breaking the rope?

A) 38 m/s

B) 16 m/s

C) 12 m/s

D) 24 m/s

E) 32 m/s

A) 38 m/s

B) 16 m/s

C) 12 m/s

D) 24 m/s

E) 32 m/s

asked 2021-08-21

Consider the following sequences

1)

2)

Find the next two terms of the sequence

Find a recurrence relation that generates the sequence

Find an explicit formula for the nth term of the sequence

asked 2022-01-15

Two meteoroids are heading for earth. Their speeds as they cross the moon’s orbit are 2.0 km/s.

a. The first meteoroid is heading straight for earth. What is its speed of impact?

b. The second misses the earth by 5000 km. What is its speed at its closest point?

a. The first meteoroid is heading straight for earth. What is its speed of impact?

b. The second misses the earth by 5000 km. What is its speed at its closest point?

asked 2020-12-13

A freezer has a coefficient of performance of 2.40. Thefreezer is to convert 1.80 kg of water at $25.0}^{\circ$ to 1.80 kg of ice at $-{5.0}^{\circ}$ in one hour.

a) What amount of heat must be removed from thewater at$25.0}^{\circ$ to convert it to ice at $-{5.0}^{\circ}$ ?

b.)How much electrical energy is consumed bythe freezer during this hour?

c.)How much wasted heat is rejected to theroom in which the freezer sits?

a) What amount of heat must be removed from thewater at

b.)How much electrical energy is consumed bythe freezer during this hour?

c.)How much wasted heat is rejected to theroom in which the freezer sits?