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Subject: Science, asked on 13/7/17

​What is newtons 1st, 2nd and 3rd law of motion

Subject: Science, asked on 27/6/17

The force of water push anything above it if the thing is inside water.But if anyone goes in between the river,
1-Why do he go inside the river?
2-Why do the force of water does not push him above it?

Subject: Science, asked on 4/6/17

​Read the situation given below and answer the following questions i. I want my car to start. ii. When I put petrol in my car, it started. iii. 5 gallon petrol cans, 5 gallons petrol, money to buy petrol, a ride to the petrol station iv. The car started on the first try. v. First, I will call my friend Mithun and ask for a ride to the petrol station. I will take the five gallon petrol can and fill it with five gallons of petrol at the pump. After paying the petrol station owner for the petrol, I will get a ride back to my car and put the petrol in the tank. Once the petrol is in the tank, I will attempt to restart the car. vi. If I put petrol in my car, it will start. Which statement states the following? a. Problem b. Hypothesis 

Subject: Science, asked on 24/2/17

what is the capital of Australia ? only name

Subject: Science, asked on 28/1/17

what does a pilot need to know the velocity of the plane she or he  is flying​

Subject: Science, asked on 19/1/17

give me a activity of force for grade 5

Subject: Science, asked on 6/12/16


The figure shows a man pushing a cart. What happen to the energy?
​

Subject: Science, asked on 20/11/16

SnO2 + 2 H2 → Sn + 2 H2O

Subject: Science, asked on 2/10/16

3 Hg(OH)2 + 2 H3PO4

Subject: Science, asked on 7/9/16

One arm of a glass U-tube is open to the atmosphere, whereas the other vertical arm is connected to a gas supply. The difference in the levels of mercury(density=13.6 g cm-3) between the vertical arms of the U-tube manometer is h=5cm. If the atmospheric pressure is 760 mm Hg and the gravitational acceleration is 9.8 m s-2, then the pressure of the gas is about

Subject: Science, asked on 28/7/16

When a moving bus stop suddenly the passenger fall toward a centre road.Why 

Subject: Science, asked on 3/5/16

what will you do to move bicycle faster

Subject: Science, asked on 7/3/16

a clear definition of gravitational and frictional force. hurry

Subject: Science, asked on 27/2/16

Didnt understand the wheel and axle arrangement in
1.vehicles
2.sewing machines
3.egg beaters
4.cycles

Subject: Science, asked on 16/1/16

when we put a ship in water it floats because of buoyant force but when we put a scissors in a bucket full of water it sinks. why ?

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