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3 years ago

10

What are the agonist and antagonist muscle of a wrist joint???

2 answers:

oksian1 [2.3K]3 years ago

4 0

Wrist flexors are the agonist muscles, while wrist extensors are the muscle antagonists. The specific names are the flexor digitorum and the extensor digitorum.

Andreas93 [3]3 years ago

4 0

This is because it is the prime mover in both cases. 2. Antagonist<span>: The </span>antagonist<span>in a movement refers to the muscles that oppose the agonist. During </span>elbow flexion<span>where the bicep is the agonist, the tricep muscle is the </span>antagonist<span>.</span>

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How to change this to mega and giga prefixes?urgent .thankyou

Akimi4 [234]

$3*10^{8} m = 3*10^{5} km = 3*10^{2} Mm = 3*10^{-1} Gm$

Each increase in the prefix is a division by 1000.

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3 years ago

A 25.0-kg child is standing at the edge of a horizontal merry-go-round with a radius of 2.40 m and a moment of inertia of 356 kg

motikmotik

Answer:

$\omega_{f}=1.634\ rad/s$

Explanation:

given,

diameter of merry - go - round = 2.40 m

moment of inertia = I = 356 kg∙m²

speed of the merry- go-round = 1.80 rad/s

mass of child = 25 kg

initial angular momentum of the system

$L_i = I\omega_i$

$L_i =356\times 1.80$

$L_i =640.8\ kg.m^2/s$

final angular momentum of the system

$L_f = (I_{disk}+mR^2)\omega_{f}$

$L_f = (356 + 25\times 1.2^2)\omega_{f}$

$L_f= (392)\omega_{f}$

from conservation of angular momentum

$L_i = L_f$

$640.8= (392)\omega_{f}$

$\omega_{f}=1.634\ rad/s$

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What is the difference between transverse and longitudinal waves?

nataly862011 [7]

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A runner moves west with an initial velocity of 4 m/s. She accelerates 3 m/s2 for 30 seconds. The runner's final velocity is

Firlakuza [10]

Answer:

v = 94m/s

Explanation:

Using the first equation of motion

v = u + at

u = 4m/s , a = 3m/s² , t = 30s , v = ?

v = u + at

v = 4 + 3 × 30

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v = 94m/s

I hope this was helpful, please mark as brainliest

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Vaselesa [24]

The answer is negative 14

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