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3 years ago

A golf ball and bowling ball are rolling at the same speed. Which has the greater momentum?

2 answers:

7 0

If a golf ball and a bowling ball are rolling at the same speed, use MSM as an analogy: More mass, more Speed, more Momentum. The golf ball is smaller, and may be going the same speed as the bowling ball but the bowling ball has a much greater mass than the golf ball. The bowling ball has the greater momentum. The bigger the object, the faster it goes, the more momentum it has.

raketka [301]3 years ago

5 0

The bowling ball has more momentum because it is bigger and has more weight to it than the golfball.

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How much work is done by the force lifting a

Ann [662]

The work done in lifting the hamburger is equal to the increase in gravitational potential energy of the hamburger, given by

$W=\Delta U=mg \Delta h$

where

m=0.1 kg is the mass of the hamburger

$g=9.81 m/s^2$ is the gravitational acceleration

$\Delta h=0.3 m$ is the increase in height of the hamburger

Substituting numbers into the equation, we find

$W=(0.1 kg)(9.81 m/s^2)(0.3 m)=0.3 J$

So, the correct answer is

(3) 0.3 J

3 0

3 years ago

A science class puts a balloon containing 1.25 l of air at 101 kpa into a bell jar. using an air pump, the class removes some of

storchak [24]

The first thing you should know in this case is the following definition:
PV = nRT
Then, as the temperature is constant, then:
PV = k
Then, we have two states:
P1V1 = k
P2V2 = k
We can then equalize both equations:
P1V1 = P2V2
Substituting the values:
(1.25) * (101) = (2.25) * (P2)
Clearing P2:
P2 = ((1.25) * (101)) /(2.25)=56.11Kpa
answer:
the new pressure inside the jar is 56.11Kpa

8 0

3 years ago

Determine the angle between the directions of vector A with rightwards arrow on top = 3.00i + 1.00j and vector B with rightwards

sertanlavr [38]

Answer:

C) 26.6

Explanation:

I don't know how to calculate vector

6 0

2 years ago

The elements least likely to form bonds are found in what group

klasskru [66]

It is in the noble gas group which has a full valence electron shell found in group 18

8 0

2 years ago

Read 2 more answers

A boy throws a stone straight upward with an initial speed of 15m/s. What maximum height will the stone reach before falling bac

Vitek1552 [10]

$height=\frac{velocity^2}{2gravity}\\\\
velocity=15\frac{m}{s}\\\\
g=9,8\frac{m}{s^2}\\\\height=\frac{15^2}{2*9,8}=\frac{225}{19,6}\\\\
\boxed{height=11,48\ meters}$

6 0

2 years ago