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Subject: Science, asked 4 hours, 56 minutes ago

How to do question 68

Subject: Science, asked 1 day, 2 hours ago

What do you mean by homogeneous mixtures?

Subject: Science, asked 1 day, 4 hours ago

 Explain how bats use ultrasound to catch their prey. 

Subject: Science, asked 1 day, 5 hours ago

What will be the speed of an artificial satellite moving in a circular orbit of radius 43000
km, which takes 24 hours to revolve around the earth?

Subject: Science, asked 1 day, 5 hours ago

A boy rides on his bicycle and goes from his home to school with a uniform speed of 10
km/h and returns back with a speed of 12 km/h. What will be the average speed of the boy?

Subject: Science, asked 1 day, 6 hours ago

The second law of motion gives the measure of which of the following?
(a) Force
(b) Acceleration
(c) Momentum
(d) Angular Momentum
Why the answer is force and not momentum ? 

Subject: Science, asked 1 day, 6 hours ago

An object will possess uniform motion as long as the
(a) resultant force acting on it begins to decrease
(b) resultant force on acting on it increases continuously
(c) resultant force is right angles to its rotation
(d) resultant force acting on it is zero
Plz give Explainaton along with answer !

Subject: Science, asked 1 day, 6 hours ago

What causes Japanese encephalitis ? How it can be prevented ?

Subject: Science, asked 1 day, 7 hours ago

What are the functional differences between a plasma membrane and cell wall?

Subject: Science, asked 1 day, 7 hours ago

During an experiment the students were asked to prepare a 10% (Mass/Mass) solution of sugar in water. Ramesh dissolved 10 g of sugar in 100 g of water while Sarika prepared it by dissolving 10 g of sugar in water to make 100 g of the solution. 
(a) Are the two solutions of the same concentration?
(b) Compare the mass % of the two solutions.

Subject: Science, asked 1 day, 8 hours ago

Plase give ans fast of.

Subject: Science, asked 1 day, 8 hours ago

Plase give ans fast

Subject: Science, asked 1 day, 8 hours ago

A bullet of mass 0.02 kg is fired from a gun weighing 7.5 kg. If the initial velocity of the bullet is 200 m/s, calculate the speed with which the gun recoils.

Subject: Science, asked 1 day, 8 hours ago

Give an example of a body which may appear to be moving for one person and stationary for the other.

Subject: Science, asked 1 day, 23 hours ago

In which direction would Rohan's mother tend to lean if he car suddenly? (a) Forward direction (b) Backward direction (c) Direction depends on speed of car (d) Direction depends on distance covered by car

How much force is required to move an object of mass 3 kg that is s constant velocity of 3 m/s on a frictionless horizontal table

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