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Anna11
17 days ago
8

In a game of egg-toss, you and a partner are throwing an egg back and forth trying not to break it. Given your knowledge of mome

ntum, what hint could you give to your partner to keep the force of impact on the egg as low as possible? Clearly explain your answer.
Physics
1 answer:
Maru [2.3K]17 days ago
3 0
F=dP/dt. To minimize the force acting on the egg, you want the change in momentum to be gradual over time. As you catch the egg, allow your hand to follow through in the same direction for a while to gently bring it to a halt. Gripping it firmly without any movement can generate a strong impact that may break the egg.
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James Cameron piloted a submersible craft to the bottom of the Challenger Deep, the deepest point on the ocean's floor, 11,000 m
serg [2593]

Answer:

4.1\cdot 10^8 N

Explanation:

To begin with, we must determine the pressure acting on the sphere, which is calculated using:

p=p_0 + \rho g h

where

p_0 =1.01\cdot 10^5 Pa denotes the atmospheric pressure

\rho = 1000 kg/m^3 represents the density of the water

g=9.8 m/s^2 signifies the acceleration due to gravity

h=11,000 m indicates the depth

By substituting these values,

p=1.01\cdot 10^5 Pa + (1000 kg/m^3)(9.8 m/s^2)(11,000 m)=1.08\cdot 10^8 Pa

The sphere's radius is calculated as r = d/2 = 1.1 m/2 = 0.55 m

Thus, the sphere's total surface area can be expressed as

A=4 \pi r^2 = 4 \pi (0.55 m)^2=3.8 m^2

Consequently, the inward force acting on the sphere equals

F=pA=(1.08\cdot 10^8 Pa)(3.8 m^2)=4.1\cdot 10^8 N

8 0
1 day ago
Read 2 more answers
Which statement is always false for athletes participating in team sports?
Softa [2035]
Which statement can never be true for athletes in team sports? The statement that is always false among the listed options for team sports athletes is choice C) Conflict resolution indicates a lack of sportsmanship. The other statements are valid in the context of team sports.
3 0
5 days ago
Determine whether each substance will sink or float in corn syrup, which has a density of 1.36 g/cm3. Write “sink” or “float” in
Sav [2230]

Explanation:

  • A substance will float if it has a lower density than the liquid it is placed in.
  • A substance will sink if its density exceeds that of the liquid.

Density of corn syrup = 1.36 g/cm^3

1) Density of gasoline = 0.748 g/cm^3

Gasoline's density is less than that of corn syrup, indicating it will float in corn syrup.

2) Density of water = 1 g/cm^3

Water's density is also less than that of corn syrup, meaning it will float in corn syrup.

3) Density of honey = 1.45 g/cm^3

Honey's density exceeds that of corn syrup, so it will sink in corn syrup.

4) Density of titanium = 4.506 g/cm^3

The density of titanium is greater than that of corn syrup, hence it will sink in corn syrup.

3 0
16 days ago
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A small 175-g ball on the end of a light string is revolving uniformly on a frictionless surface in a horizontal circle of diame
kicyunya [2264]
For motion in a circle.

Centripetal acceleration is calculated as mv²/r = mω²r

where v represents linear velocity, r equals radius which is diameter/2 equating to 1/2 or 0.5m

. Here, m is the mass of the object, which is 175g or 0.175kg.

The angular speed, ω, is derived from Angle covered / time

                         = 2 revolutions per 1 second

                         = 2 * 2π  radians for each second

                         = 4π  radians per second

Thus, Centripetal Acceleration = mω²r = 0.175*(4π)² * 0.5. Utilize a calculator

                                                         ≈13.817  m/s²

. The acceleration's magnitude is approximately 13.817  m/s² and it is oriented towards the center of the circular path.

The tension in the string equates to m*a

                                   = 0.175*13.817

                                   = 2.418 N
5 0
2 days ago
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When a mass of 25 g is attached to a certain spring, it makes 20 complete vibrations in 4.0 s. what is the spring constant of th
kicyunya [2264]

Response: The spring constant is 25 N/m.

Details:

The body’s mass is 25 g, which converts to 0.025 kg (since 1 kg = 1000 g).

The total oscillations are 20 in 4 seconds.

Oscillations per second = \frac{20}{4}=5

Spring's frequency of vibration is = 5 s^{-1}=5 Hz

The spring constant 'k' can be derived from the relationship involving frequency, mass, and spring constant.

Frequency=\frac{1}{2\pi}\times \sqrt{\frac{k}{m}}

5 s^{-1}=\frac{1}{2\times 3.14}\times \sqrt{\frac{k}{0.025 kg}}

k=24.649 N/m\approx 25 N/m

The spring constant is 25 N/m.

3 0
28 days ago
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