The mass of cart 1 was 1.10kg and mass of cart 2 is what's being solved for. They were next to each other and a spring was activated and the two carts moved away from each other and produced these readings. Cart 1= v1: .75 m/s and Cart 2= v2: .34m/s. What's the mass of cart 2

Answers

Answer 1

Answer: m1v1 + m2v2 = m1v1i + m2v2i
fill it in m1 = mass 1
m2 = mass 2
v1 = velocity 1
v2 = velocity 2

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A student throws a rock horizontally from the edge of a cliff that is 20 m high. The rock has an initial speed of 10 m/s. If air resistance is negligible, the distance from the base of the cliff to where the rock hits the level ground below the cliff is most nearlya.5m
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Answers

Answer:

c.20

Explanation:

Minerals mined for titanium are

Answers

Answer: Minerals that are mined for titanium are ilmenite and rutile.

Explanation:

Titanium is the 22nd element of the periodic table. It symbol is "Ti"

The minerals which are mined to extract titanium are ilmenite $(FeTiO_3)$ and Rutile $(TiO_2)$

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Your Welcome

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Answers

If object is not accelerating, the sum of all forces on the object will be equal to ZERO...

I need help I can't solve it and I'm struggling badly. Justin weighs 185 lb. and decides to climb a staircase that has a vertical distance of 12 m. He climbs the stairs in 12.7 seconds. Calculate his work:

Answers

Answer:

Power is work/time - not needed here

W(work) = F * D force * distance

Here W = M g h

Since 2.20 lb is equivalent to 1 kilogram mass

W = 185 lb / 2.20 lb/kg * 9.80 m/s^2 * 12 m = 824 Joules

note that a pound is a unit of force and a kilogram is a unit of mass

Why do the densities of most substances decrease with an increase in temperature?

Answers

because density is related to activity of particles, the higher the activity level (the faster they're moving, and distance between them) the less dense they are. for example, H2O in a solid the particles are close together with minimum movement and it exists as ice, but when heat is applied the particles become more active and move more decreasing the density becoming liquid water, then when excessive heat is applied the same occurs and it becomes gas steam

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Answer to number 8 please

Why do objects move at constant speed