Question

Choose the correct answer for
each of the following.
a. What is the work done if a force of 10 N
moves a body through a distance
of 5 m?
i. 2J
ii. 10 J
iii. 5 J
iv. 50 J
b. Kinetic energy
with
the increase in the speed of the
moving object
i. increases
ii. decreases
iii. remains the same iv. will be zero
c. Kinetic energy is calculated by
the formula, KE =
1
1
i. mv
ii. vm?
2 2.
2
1
iii. mv2
iv.
2
my​

Answer 1

Answer:

$\huge{\underline{\mathtt{\blue{❥A}\pink{N}\green{S}\red{W} \blue {E}\purple{R}}}}$

Let us find how many odd numbers are there from 1 to 150, i.e. find the value of n if

tn = 149

tn = a + (n – 1)d

∴ 149 = 1 + (n – 1)2

∴ 149 – 1 = (n – 1)2

∴ 1482 = n – 1

∴ 74 = n – 1

∴ n = 74 + 1 = 75

Answer 2

Answer:

a. 10

b.increase

c.1/2 m v2