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If I have a ball thrown horizontally with a speed u off a building of height h , how do I calculate its speed when it hits the ground?

Here we will want to use the SUVAT equations, which I'm sure you will have come across. Notice that in the question we only have an initial horizontal velocity and because we model all objects as points, ...

Answered by Charlotte G. • Maths tutor

6184 Views

In William Shakespeare's Hamlet the character Hamlet can be described as a Renaissance Man. Why?

The Renaissance was a period of re-birth. A Renaissance Man challenges accepted norms and beliefs of the day. His qualities include a powerful intellect, an appetite for and expertise in a wide range of s...

Answered by EMILY S. • English Literature tutor

31567 Views

What and where are alkali metals in periodic table? Explain reactivity trends.

Alkali metal have 1 outer electrons. Reactivity increases down the coloumn.

Answered by Sandeep T. • Chemistry tutor

2343 Views

In the arthmetic sequence, the first term is 3 and the fourth term is 12. Find the common difference (d) and the sum of the first 10 terms.

a. Finding du_n = u₁ + (n-1)du₄ = u₁ + (4-1)d12 = 3 + 3dd = 3
b. Sum of first 10 termss_n = n/2(2u₁ + (n-1)d)s₁₀= 5(6 + 9d)...

Answered by Ruchi A. • Maths tutor

1473 Views

Explain the first stages of aerobic respiration that occur before the Krebs cycle.

Aerobic respiration is a controlled release of energy from organic compounds to produce ATP with the use of oxygen. It occurs in several stages:
Glycolysis starts with phospho...

Answered by Agata K. • Biology tutor

2414 Views