On a roller coaster the first hill has a height of 30m, Ask an Expert

Academics

On a roller coaster the first hill has a height of 30m while the second hill as a height of 15m. If the coaster has a speed of 2m/s at the top of the first hill, what is its speed at the top of the second hill if 2% of the energy was lost to friction?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9905505

Have any Question?Write your Review or question?

Related Questions in Physics

A square hockey table has a side length of s152m on the

A square hockey table has a side length of s=1.52m. On the table, pucks slide across a horizontal table with effectively no friction. (Ignore friction). At the time t=0s a puck is launched with a speed of v1=0.300 m/s fr ...

Question some plants disperse their seeds when the fruit

Question: Some plants disperse their seeds when the fruit splits and contracts, propelling the seeds through the air. The trajectory of these seeds can be determined with a high-speed camera. In an experiment on one type ...

Question an object is 40 cm in front of a concave mirror

Question: An object is 40 cm in front of a concave mirror with a focal length of 20 cm. Use ray tracing to locate the image. Is the image upright or inverted? The response must be typed, single spaced, must be in times n ...

Problem the orbital speed of the sun relative to the center

Problem: The orbital speed of the Sun relative to the center of the Milky Way is about 250 km/s. By what fraction do the relativistic and Newtonian values differ for (a) the Sun's momentum and (b) the Sun's kinetic energ ...

Question a picture frame hung against a wall is suspended

Question: A picture frame hung against a wall is suspended by two wires attached to its upper corners Part A: If the two wires make the same angle with the vertical, what must this angle be if the tension in each wire is ...

Question an object of mass m is traveling on a horizontal

Question: An object of mass m is traveling on a horizontal surface. There is a coefficient of kinetic friction Âµ between the object and the surface. The object has speed v when it reaches x=0 and encounters a spring. Th ...

Question a package of mass m is released from rest at a

Question: A package of mass m is released from rest at a warehouse loading dock and slides down a 3.0 m-high frictionless chute to a waiting truck. Unfortunately, the truck driver went on a break without having removed t ...

Question the position of a 275 x 105n training helicopter

Question: The position of a 2.75 x 10 5 N training helicopter under test is given by r? = (0.020 m/s3) t3i^ + (2.2m/s)tj^ ?(0.060m/s2)t2k^. Part A: Find the net force on the helicopter at t = 5.0s. Express your answer in ...

Question part a how much time does it take light to travel

Question: Part A: How much time does it take light to travel from the moon to the earth, a distance of 384000 km ? Express your answer in seconds to three significant figures. Part B: Light from the star Sirius takes 8.6 ...

Question this problem concerns the properties of circular

Question: This problem concerns the properties of circular orbits for a satellite of mass m orbiting a planet of mass M in an almost circular orbit of radius r. In doing this problem, you are to assume that the planet ha ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert