A tank with a flat bottom is filled with water to a height of 4 meters. What is the pressure at any point
at the bottom of the tank? (You can ignore atmospheric pressure when calculating your answer.)
A. 18.9 kPa
B. 4.0 kPa
C. 39.2 kPa
D. 9.8 kPa

39.2 kPa will be the pressure at the bottom of the tank.

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[object Object]**User: **What is the kinetic energy of an object that has a mass of 30 kilograms and moves with a velocity of 20
m/s?
A. 6,000 J
B. 2,940 J
C. 5,880 J
D. 12,000 J

**User: **A tank with a flat bottom is filled with water to a height of 4 meters. What is the pressure at any point
at the bottom of the tank? (You can ignore atmospheric pressure when calculating your answer.)
A. 18.9 kPa
B. 4.0 kPa
C. 39.2 kPa
D. 9.8 kPa

**Weegy: **39.2 kPa will be the pressure at the bottom of the tank.

wisbest|Points 1952|

**User: **The metric unit of force is the
A. kilogram.
B. nanometer.
C. gram.
D. newton

**Weegy: **The metric unit of force is the newton.

pathwise|Points 1257|

**User: **An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the
moon?
A. 196 N
B. 20 N
C. 1,176 N
D. 12.24 N

**Weegy: **C. 196 N

stan_r|Points 1382|

**User: **The ability of a material to transfer heat or electric current is called
A. porosity.
B. conductivity.
C. convection.
D. insulation.

**Weegy: **D. conductivity is the ability of a material to transfer heat or electric current.

businesslady|Points 1113|

**User: **What force is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s²?
A. 23 N
B. 120 N
C. 23 kg
D. 1.875 kg

**Weegy: **{D. 120 N}

Giana|Points 1081|

**User: **An object with a mass of 78 kilograms is lifted through a height of 6 meters. How much work is done?
A. 47.75 J
B. 764.4 J
C. 468 J
D. 4,586.4 J

**Weegy: **D. [ 4,586.4 J
use the formula W = mgs
W stands for work done in joules
m stands for mass of the object
g stands for gravity
s stands for the distance the object is lifted
W = mgs
W = 78kilograms?9.8m/s2?6meters
W = 4586.4 J (joules)
answer would be 4,586.4 J ]

chopsuey|Points 72|

**User: **The main difference between speed and velocity involves
A. gravity.
B. distance.
C. direction.
D. weight.

**User: **Within the metric system all units are based on the number
A. 1000.
B. 100.
C. 1.
D. 10.
18. If an

**Weegy: **D. 10. The METRIC system is based on increments of the number 10 in both volume and linear measurements.

Expert answered|migzptz|Points 7444|

wisbest|Points 1952|

pathwise|Points 1257|

stan_r|Points 1382|

businesslady|Points 1113|

Giana|Points 1081|

chopsuey|Points 72|

Expert answered|migzptz|Points 7444|

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Asked 3/10/2013 7:54:20 PM

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t Object]User: In a stringed musical instrument, the part that vibrates in resonance with the sound waves produced by
the strings is called the
A. sounding board.
B. membrane.
C. diatonic scale.
D. reed. User: The change in pitch of a train's horn as it passes while you are standing still can be explained by
A. ultrasonic vibrations.
B. sympathetic vibration.
C. resonance.
D. the Doppler effect

Weegy: The change in pitch of a train's horn as it passes while you are standing still can be explained by A. the Doppler effect. User: The _______ of a sound wave is defined as the amount of energy passing through a unit area of the
wave front in a unit of time.
A. amplitude
B. compression
C. frequency
D. intensity Weegy: the answer is C. frequency (More)

Question

All Categories|No Subcategories|Expert Answered

Asked 3/10/2013 8:42:16 PM

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