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A spring-loaded dart gun is utilized to shoot a dart straight up into the air, and the dart reaches a maximum height of 24 meters. The same dart is shot up a second time from the similar gun, however this time the spring is compressed only half as far (compared to the first shot). How far up does the dart go this time (neglect friction and suppose the spring obey's hooks law)?
1. when a charged particle moves at an angle of 15deg with respect to a magnetic field it experiences a magnetic force
sound with frequency 1220 leaves a room through a doorway with a width of 1.16 . at what minimum angle relative to the
A circular curve of highway is designed for traffic moving at60km/h/. what is the correctangle of banking of the road
find the work done on the man by the gravitational force
Only a small part of an iceberg protrudes above the water, whilethe bulk lies below the surface. The density of ice is 917 kg/m^3and that of seawater is 1025 kg/m^3. Find the percentage of theiceberg’s volume that lies below the surface.
An electron is accelerated from rest by a potential difference V. It then enters a uniform magnetic field of magnitude B with its velocity perpendicular to the field. Find the radius of its path in the magnetic field
Small charged sphere, mass m = 1.2 x 10-4 kg and charge q = 3.2 nC is suspended (floating) a very small distance above a very large sheet charge due to electrostatic forces. What is the charge density (charge per area) of the sheet essential for this..
A lens with a refrective index of 1.5 is coated with a material of refractive index of 1.2 in order to minimize the reflection. what is the thinnest possible coating
the project consists of a word processed report. the topic for the project is heat loss in a cylindrical pipe although
The ball thrower, who has a mass of 100 kg, can throw a 500 g ball with a speed of 10 m/s. What constant force must the athlete exert on the ball
The stopping potential for electrons emittedfrom a surface illuminated by light of wavelength 480 nm is 0.890 V. What is the work function for the surface
A particle moving along the x-axis has its position described by the function x =( 5.00 t3? 3.00 t+ 2.00 )m, what are the particle's position, velocity and acceleration
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