Answer:
1.31Kgms-1
Explanation:
∆p = m∆v
Where:
∆p= change in momentum
m= mass of the ball
∆v= change in velocity of the ball= (5.3-2.4)= 2.9ms-1
Therefore, substituting appropriately with the values above:
∆p= 0.45×2.9= 1.31Kgms-1
Answer:
from the formula of work done at any angle the formula is Force *distance cosα(tita)
Answer: 2.541884 meters
Explain:
Formula: s = 0.5 * g * t^2
Time of fall (t) is 0.72 while the gravitational acceleration rate is (9.80665m/s^2).
Answer: Examples of nonrenewable resources include crude oil, natural gas, coal, and uranium. These are all resources that are processed into products that can be used commercially. For example, the fossil fuel industry extracts crude oil from the ground and converts it to gasoline.
<span>Jean Piaget is the person who studied cognitive development extensively.
According to the Piaget, the </span>building of schema consists of <span>assimilation and accommodation.
There are 4 stages in </span>cognitive development of Piaget's theory as <span>Sensorimotor, Pre-operational, Concrete-operational, and Formal-operational.
</span><span>The psycologist who introduced the theory of sociocultural cognitive development is </span><span>Lev Semenovich </span><span>Vygotsky.
</span>Authoritative is a parenting style that <span>rules are not set in stone and childrens’ ideas and concerns are listened to.
The </span>theory of psychosocial developments which was developed by <span>Erik Erikson has 8 stages.</span>
