During a discussion session inside the classroom on how spacecraft move in space, Jassica said: "The spacecraft rushes from the Earth's atmosphere and the amount of its speed and direction of movement changes when it pushes the gases released from the rockets installed on it the atmospheric air, and that there is no point in having

Q: On 23 March 2021 the giant container ship "Ever Given", under strong winds, swivelled round to…

A:

Q: A person does the back float in a freshwater lake and later does the same in the ocean. In which…

A: The body will float on the surface of liquid if the Buoyant force applied by liquid on the bottom…

Q: You are watching a National Geographic Special on television. One segment of program is about archer…

A: Initial speed is The vertical height is Note:Find:The launch angle.

Q: If a rock and a feather are dropped in a 98-meter-long tube in which there is a vacuum, which one…

A: Given statement: If a rock and a feather are dropped in a 98-meter-long tube in which there is a…

Q: •The horizontal Velocity of wind against sail = 5.7 m/s. along the front surface, 3.2 m/s back…

A:

Q: Please solve this question as fast as possible.

A:

Q: An object of mass 125 kg is released from rest from a boat into the water and allowed to sink. While…

A:

Q: ) A thin-walled bowl in the shape of a hemisphere just barely floats in water.  If it has a diameter…

A: Given data The diameter of the bowl is given as d = 10 cm.   According to the condition of…

Q: It took a crew 1h 12min to row 1km upstream and back again. If the rate of flow of the stream was…

A: Motion in water:- If an object is moving through the water, its speed will either increase or…

Q: Underwater, you can just barely lift a 75.0 kg rock (density 3.20 g/cm3 ). How massive a rock could…

A:

Q: A hovercraft is sitting on the shore of a river that is 1 mile wide. The hovercraft is supposed to…

A: In this question we have to choose the fastest route from the given situations. Please give positive…

Q: A fun toy for all ages is the bottle rocket. The one in the picture was made by adding fins to a…

A:

Q: At the end of the film Titanic, Rose was floating on a wooden door as shown below while Jack stayed…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: A hole of area 1 mm2 opens near the bottom of a large-water storage tank, and a stream of water…

A: Area=1mm² Height=20m

Q: Suppose we have a container with a layer of water covered by a layer of oil (D = 700 kg/m3 ).  Let’s…

A:

Q: What is the final velocity of the water?

A: We know that  v.A = constant  Where. v = velocity                A = area = πr²

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!