# Temi

Most popular questions and responses by Temi
1. ## Biology

Using the map of Nigeria draw the local biometic community in nigeria

2. ## Physics

A cannon ball is fired horizontally with a velocity of 50m/s from the top of a cliff 90m high,after how many seconds will it strike the plane at the foot of the cliff.at what distance from the foot of the cliff will it strike and with what velocity will it

3. ## chemistry

How many atoms are in a drop of mercury that has a diameter of 1.0 mm? (Volume of a sphere is 4ðr3/3; density of mercury = 13.6 g/cm3)

4. ## Physics

The flywheel of an old steam engine is a solid homogeneous metal disk of mass M = 120 kg and radius R = 80 cm. The engine rotates the wheel at 500 rpm. In an emergency, to bring the engine to a stop, the flywheel is disengaged from the engine and a brake

5. ## Physics

A cannon ball is fired horizontally with a velocity of 50m/s from the top of a cliff 90m high,after how many seconds will it strike the plane at the foot of the cliff.at what distance from the foot of the cliff will it strike and with what velocity will it

6. ## physics

a mercury column in a simple barometer at a height of 75.9cm. An amount of pure water is introduced into the barometer column and form a 1.20cm layer on top of mercury. The mercury column now stand at height of 78.08cm . what is the pressure in the space

7. ## Science

A cannon ball is fired horizontally with a velocity of 50m/s from the top of a cliff 90m high,after how many seconds will it strike the plane at the foot of the cliff.at what distance from the foot of the cliff will it strike and with what velocity will it

8. ## Physics

A solid and a hollow ball, each with a mass of 1 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 35 degrees. An ice cube of the same mass slides without friction down the same ramp. Which ball will reach the

9. ## Geometry

Two parallel chords lies on opposite sides of the centre of a circle of radius 13cm. Their length are 10cm and 24cm what is the distance between the chords

10. ## Chemistry

how many grams does 0.500 moles of CuBr weigh?

11. ## Math

Log5(3÷5)+3log5(15÷2)-log5(81÷8)

1. ## chemistry

no

posted on March 4, 2018
2. ## PHYS

First, you need to find the velocity when the cord begins to stretch, i.e after the first 45m of free fall Vf^2 = Vi^2 + 2ad Vf^2 = (0) +(2)(-9.81)(-45) Vf = 29.7m/s Using this velocity you can find the momentum, and since Impulse in just the chanage in

posted on November 1, 2016