The speed of the stone just before it hits the ground

Assignment Help Physics
Reference no: EM1322189

Q1. A car travelling at 23 m/s runs out of gas while travelling up a 20 degree slope. How far up the hill will it coast before starting to roll back down?

Q2. You throw a stone vertically upward, with an initial speed of 5.80 m/s, from a third story office window. The window is 15.0 m above the ground.

(a) How long is the stone in the air?

(b) What is the speed of the stone just before it hits the ground?

Reference no: EM1322189

Questions Cloud

When the first one crosses the finish line : In coming to a stop, car leaves skid marks 78 long on the highway. Assuming a deceleration of 7.1 estimate the speed of the car just before braking.
The system is in a container of negligible heat capacity : A tiger leaps horizontally from a 5.90 m high rock with a speed of 4.10 m/s. How far from the base of the rock will she land.
Iced tea is made by adding ice to : Iced tea is made by adding ice to 2.4 kg of hot tea, initially at 70?C. How many kg of ice, initially at 0?C, are required to bring the mixture to 10?C? (Lf = 3.33×105 J/kg, cw = 4,186 J/kg•? C)
If the time for an electron to stop is on the order : A stockroom worker pushes a box with a mass 11.2kg on a horizontal surface with a constant speed of 3.50m/s. coefficient of kinetic friction between the box and the surface is 0.20.
The speed of the stone just before it hits the ground : A car travelling at 23 m/s runs out of gas while travelling up a 20 degree slope. How far up the hill will it coast before starting to roll back down.
When the apple is attached to the tree : Does an apple tree exert a gravitational force on the earth and if so, how large of a force? Consider and explain this question when the apple is attached to the tree, and when it is falling.
What is the maximum reaction time of the motorist : A particle has an acceleration of 6.39 for 0.28. At the end of this time the particle's velocity is 9.31 .What was the particle's initial velocity.
Find the total energy of the circuit : The time-varying current in an LC circuit where C = 11.5?F is given by i(t) = (1.30 A) sin (1230t), where t is in seconds.
Find out the values of a and k when value of this expression : A plane flies from base camp to Lake A, 280 km away in the direction 20° north of east. After dropping off supplies it flies to Lake B that is 190 km at 30° west of north from Lake A. Graphically find out the distance and direction from Lake B to ..

Reviews

Write a Review

Physics Questions & Answers

  How many times louder is the latter sound

A 790-kg object and an 889-kg object are separated by 11.0 m. At what position (from the less massive object) can the 260-kg object be placed so as to experience a net force of 10 N towards the less massive object.

  What is mass of the block of ice

What is mass of the block of ice

  What the average power must be delivered

A uniform plank of length 5.70 m and weight 215 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 452 N walk on the overhanging part of the plank before it just be..

  Find magnitude and direction of a net force

A 258-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.980, and the log has ..

  Examine the conditions for bragg reflection

Find out the longest wavelength electrons that can produce a first-order maximum.

  What is the change in length of the rope

What is the change in length of the rope whilst the skier has the acceleration whose magnitude is 0.65 m/s2.

  What coordinate on x axis is the electric field produced

A passenger train is travelling at 31 m/s when the engineer sees a freight train 351 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.6 m/s.

  Compute the minimum power rating of the pump

A pump, submerged at the bottom of a well that is 35m deep, is used to pump water uphill to a house that is 50m above the top of the well, as shown above. The density of the water is 1000 kg/m3. All pressures are gauge pressures. Top of well pipe to ..

  What is speed of sphere at lowest point

A 21.5 g bullet strikes a 0.650 kg block attached to a fixed horizontal spring whose spring stiffness constant is 7.30 x 10^3 N/m and sets it into vibration with an amplitude of 21.5 cm. What was the speed of bullet before impact if the bullet and bl..

  What is a quantum well

What is a quantum well: give an example of structure, growth method to make quantum wells and quantum states i.e. outline quantization using diagrams

  What is the car''s speed at the bottom of the dip

How much power must you exert to horizontally drag a 20.0 kg table 14.0 m across a brick floor in 40.0 s at constant velocity, assuming the coefficient of kinetic friction between table and floor is 0.550.

  Shadow on the ground undergo periodic motion

A spaceship is coming directly toward you while you are in the international space station. You are told that the spaceship is shining sodium light. You have an apparatus that and resolve two closely spaced wavelengths if the difference is 0.55 nm. I..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd