Question

A geologist finds that a Moon rock whose mass is 8.78 kg has an apparent mass of 5.86 kg when submerged in water.

What is the density of the rock?

Answer #1

To verify her suspicion that a rock specimen is hollow, a
geologist weighs the specimen in air and in water. She finds that
the specimen weighs twice as much in air as it does in water. The
density of the solid part of the specimen is 2.20 × 103
kg/m3. What fraction of the specimen’s apparent volume
is solid?

To verify her suspicion that a rock specimen is hollow, a
geologist weighs the specimen in air and in water. She finds that
the specimen weighs twice as much in air as it does in water. The
density of the solid part of the specimen is 4.13 × 103 kg/m3. What
fraction of the specimen’s apparent volume is solid?

To verify her suspicion that a rock specimen is hollow, a
geologist weighs the specimen in air and in water. She finds that
the specimen weighs twice as much in air as it does in water. The
density of the solid part of the specimen is 4.06 × 103 kg/m3. What
fraction of the specimen’s apparent volume is solid?

To verify her suspicion that a rock specimen is hollow, a
geologist weighs the specimen in air and in water. She finds that
the specimen weighs twice as much in air as it does in water. The
density of the solid part of the specimen is 3.50 × 103 kg/m3. What
fraction of the specimen’s apparent volume is solid

When a 2.0 kg object is suspended in water, its apparent mass is
now 1.5kg. what is the volume of water (in liters) displaced
(p=1kg/liter)? What is the density of the object in kg/liters?

A crown has a mass of 12.0 kg. However when submerged completely
in water. It appears to only have a mass of 8.50 kg. What is its
density?

A prospector finds a solid rock composed of granite (ρρ = 2560
kg/m3) and gold. The volume of the rock is 3.40×10−4 m3,
and its mass is 3.80 kg.
Part A: What mass of gold is contained in the rock?
Part B: What percentage of the rock is gold by volume?
Part C: What percentage of the rock is gold by mass?

A block of wood has a mass of 3.67 kg and a density of 594 kg/m3
. Attached below the wood is a mass of lead. If the wood is to
float in water with 0.883 of its volume submerged, what mass of
lead will be needed? (Density of lead is 11.3x103 kg/m3 )

The moon is an Earth satellite of mass 9.35 x 1022
kg, whose average distance from the centre of Earth is 4.85 x
108 m.
What is the gravitational potential energy of the moon with
respect to Earth?
What is the kinetic energy and the velocity of the moon in
Earth's orbit?
What is the binding energy of the moon to Earth?
What is the total mechanical energy of the moon in its
orbit?

A block of aluminum with a mass of 100g and an apparent weight
of 0.7N when submerged in oil. Calculate the mass of the displaced
oil and the density of the oil when p (rho) Al= 2.7*10^-3
kg.m^-3

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 51 minutes ago

asked 51 minutes ago

asked 56 minutes ago

asked 59 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago