CQ CH10-12
Which potatoes when peeled produce the most peelings?
10 kg of small potatoes
If a pencil's length and diameter are both multiplied by 10, then its volume is multiplied by:
1000.
A metal block has a mass of 5 grams and a volume of 1 cubic centimeter. A piece of the same kind of metal with a volume of 2 cubic centimeters has a density of:
5 g/cm3.
A projectile is launched vertically upward at 50 m/s. If air resistance is negligible, its speed upon returning to its starting point is:
50 m/s.
A satellite describes an elliptical orbit about a planet, as shown. At which position is the satellite traveling the fastest?
B (furthest away)
When weight is applied to the top of a stone arch, the stone blocks in the arch undergo:
B. compression.
A satellite describes an elliptical orbit about a planet, as shown. At which position is the satellite's speed changing most rapidly?
C (lower point)
Which of the following statements is true?
There are only about 100 different kinds of atoms that combine to form all substances.
An Earth satellite is simply a projectile freely falling around the Earth.
True
Nuclei of atoms that make up a newborn baby were made in:
ancientstars.
1. A bullet fired from a rifle begins to fall:
as soon as it leaves the barrel.
Earth satellites are typically more than 200 km high so as to be above the Earth's:
atmosphere
If a satellite's radial velocity is zero at all times, its orbit must be:
circular.
6. Stone slabs are stronger under:
compression
If a loaf of bread is compressed, its:
density increases.
7. Which of these forces determines the chemical properties of an atom?
electricalforce
5. The volume of matter comes mostly from its:
electrons
8. Which has more skin, an elephant or a mouse?
elephant
A rock is thrown upward at 50 degrees with respect to the horizontal. As it rises, its vertical component of velocity:
increases
Which has the greatest number of protons in its nucleus?
lead
In cooking a turkey in a conventional oven at a given temperature, compared to a medium-sized turkey, a large turkey takes:
more time per pound to cook.
Which has more skin compared to its body weight, an elephant or a mouse?
mouse
Solid matter is mostly empty space. The reason solids don't fall through one another is because:
of electrical forces.
The tangential velocity of an Earth satellite is its velocity:
parallel to the surface of the Earth.
8. The radial velocity of an Earth satellite is its velocity:
perpendicular to the surface of the Earth.
4. The weight of matter comes mostly from its:
protonsandneutrons.
1. Brownian motion has to do with the:
random motions of atoms and molecules.
A rock is thrown upward at 50 degrees with respect to the horizontal. As it rises, its horizontal component of velocity:
remains unchanged.
To change mercury into gold, a pair of protons must be:
removed from the mercury nucleus. added to the mercury nucleus. _D_ Neither of these.
A projectile is fired vertically from the surface of the Earth at 10 km/s. The projectile will:
rise and fall back to the Earth's surface.
The factor that determines whether a substance is in the solid, liquid, gaseous, or plasma state is its:
temperature and pressure.
When a load is placed on the middle of a horizontal beam supported at each end, the bottom part of the beam undergoes:
tension
6. What makes an element distinct?
the number of protons
There are about as many atoms of air in our lungs at any moment as there are breaths of air in the atmosphere of:
thewholeworld.
The strength of a rope made of a given material depends on its:
thickness
When a chocolate bar is cut in half, its density is:
unchanged
