Top answers

The time taken for a wave to pass a point is 2.5 seconds. What is the frequency of the wave?

For this, we need to use the equation F = 1/T (where F = frequncy, and T = period). The period of this wave is the time taken for one whole wave to pass i.e. from one wave crest to the next wave crest. Here ...
FP
Answered by Fraser P. • Physics tutor
6738 Views

Expand and simplify (2x+5)(x^2 + 3x -1)

The answer should be 2x 3 + 11x 2 +13x - 5 Remeber to multipy both brackets together, and collect like terms. (Watch out for the minus sign)
FP
Answered by Fraser P. • Maths tutor
5189 Views

Explain two Christian beliefs about the ascension of Jesus. Refer to sacred writings or another source of Christian belief and teaching in your answer.

As described in Luke 24:53, the disciples are said to have returned to Jerusalem after the ascention 'with great joy'; thus Christians see the event as a celebration rather than a loss. Although the disciple...
AM
26535 Views

Give two ways in which christians believe the Holy Spirit is at work in the world

1: It allows the establishing of communication with God on a personal level in prayer 2: It can be seen to bring strengh to people in times of need
AM
10809 Views

Crude oil is a fossil fuel - what is a fossil fuel and how is crude oil separated into its fractions?

A fossil fuel is a substance like coal, oil, or natural gas formed from decayed plant or animal remains which can be burned to produce energy and power. Crude oil is separated by fractional distillation - fi...
ES
Answered by Ella S. • Chemistry tutor
4442 Views