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Science

Welcome To The AnswerBank Science: twinned with CERN*. We're here to answer all questions scientific.

Whilst discussions and debates are encouraged, The AnswerBank reserves the right to remove answers that are misleading, e.g. by implying that a statement is a scientific theory or law when it is not, especially when such answers may impact personal health choices.

The AnswerBank makes no claim regarding the scientific accuracy of any post (question or answer) made by a member.

*Not actually twinned with CERN.

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morgannesti
A rocket ship blasts off from Earth. The gravitational force on the rocket ship is 20 million Newtons. The rocket ship's engines have a combined thrust force of 25 million Newtons. Ignoring drag, what...
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morgannesti
A horizontal force of 24 N is being applied to a box on a level surface. The friction force of the surface back on the box is 14 N. The box is accelerating at a rate of 2 m/s^2. What is the mass of...
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morgannesti
What is the magnitude of the gravitational force felt by a 50 kg object? (Gravity accelerates objects downward at 9.8 m/s^2) A. 40.2 N B. 5.1 N C. 50 N D. 490 N...
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morgannesti
In a billiards game, the white cue ball hits the black ball, moving the black ball to the right while the cue ball moves to the left. If the action force is applied by the cue ball to the black ball,...
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morgannesti
Two objects of different masses are subjected to different forces. Object A is half the mass of Object B. Both objects accelerate at the same rate. What must be true about the forces acting on each...
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morgannesti
A cannon on a pirate ship fires a cannon ball at an enemy ship. What is the reaction force to the cannon firing the cannon ball? A. The force of gravity on the cannon ball. B. The force on the cannon...
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Bert45
We have established that the vaccine has to be stored long-term at -70 or -80, but can be kept in a fridge for up to 5 days after being thawed out. -70 or -80 is extremely cold, not colder than any...
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Bert45
I have heard -70 and -80 mentioned on TV reports. Which is it? This is much colder than any freezer is capable of. How are they going to store this vaccine at such low temperatures? And how did they...
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carrottop10
Hi does any ony know how you can get the black stuff of your hands that is inside a whisky barrel which I believe is called whiskey fungus? We have renovated a barrel but cannot seem to get the black...

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