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What kind of collision took place between bullet and the block? Explain your anweer comparing the values of the kinetic energy before and after the collision
A 0.45 F parallel- plate capacitor is connected to a 6V battery. (a) how much is the charge on the plates? (b) what is the energy stored in the capacitor? (c) if the area of the plates doubles and
(a) if the charged particle is 3 cm away, calculate both the potential and kinetic energies of the bead. (b) what would be the closest distance the bead would be from the point charge? (HINT for B:
Find the change in kinetic energy of the system of two vehicles for the situations of part (a) and part (b). For which situation is the changein kinetic energy grater in magnitude?
What is the initial velocity of the cork, as seen by an observer on the ground? in the x and y direction
The next golfer in the group hits a ball with the same initial speed but at an angle above the horizontal that is greater than 45.0°. If the second ball travels the same horizontal distance as t
When the dried up seed pod of a scotch broom plant bursts open, it shoots out a seed with an initial velocity of 2.4 m/s at an angle of 60.0° above the horizontal. (a) If the seed pod is 1.2 m a
On a hot summer day a young girl swings on a rope above the local swimming hole. When she lets go of the rope her initial velocity is 2.65 m/s at an angle of 35.0° above the horizontal. If she
The next golfer in the group hits a ball with the same initial speed but at an angle above the horizontal that is greater than 45 degrees. If the second ball travels the same horizontal distance as
A 38cm -tall, 5.0cm -diameter cylindrical beaker is filled to its brim with water. What is the downward force of the water on the bottom of the beaker?
a) What is the velocity of the 3170 kg car before the collision? Answer in units of m/s b) What is the decrease in kinetic energy during the collision?
To overcome this diffuculty, he throws his 2.6 kg physics textbook horizontally toward the north shore at a speed of 6.7 m/s. The acceleration of gravity is 9.81 m/s^2 How long does it take him to r
The clarinet is well modeled as a cylindrical pipe that is open at one end and closed at the other. Find the wavelength and frequency of the third normal mode of vibration of a clarinet's air column
Then you vibrate the string transversely at precisely the frequency that corresponds to its fourth normal mode, that is, at its fourth harmonic. What is the wavelength of the standing wave you creat
The other string is plucked in a different location, primarily exciting the 5th harmonic. The resulting sounds give rise to a beat frequency of 351 Hz. What is the wave propagation speed on the guit
You have a 2.09-m-long stretched string with a mass of 19.1 g. When you oscillate the string at 440 Hz, which is the frequency of the standard A pitch that orchestras tune to, you observe transverse
An electric field of 12.4 N/C directed due north is superposed on an existing electric field of 16.5 N/C directed due east. What is the magnitude of the resultant field? What is the the direction o
A -2.5 10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +4.1 10-6 C charge is spread uniformly over the outer shell, which has a radius of 0.15 m. Find the ma
An 84 kg fullback moving east with a speed of 5.8 m/s is tackled by a 97 kg opponent running west at 3.6 m/s, and the collision is perfectly inelastic. a) What is the velocity of the players immedia
A 4.1 g coin sliding to the right at 26.2 cm/s makes an elastic head-on collision with a 12.3 g coin that is initially at rest. After the collision, the 4.1 g coin moves to the left at 13.1 cm/s. a
(a) If a third charge q3 = +8.00 nC is now placed at the point x = 4.00 cm, y = 3.00 cm, find the x- and y-components of the total force exerted on this charge by the other two. X- component? Y-Com
A billiard ball of mass 0.649 kg and speed 0.479 m/s makes a head-on elastic collision with an identical billiard ball at rest. What is the kinetic energy of the second ball after the collision? An
A fixed system of charges exerts a force of magnitude 16 N on a 8 C charge. The 8 C charge is replaced with a 9 C charge. What is the exact magnitude of the force (in N) exerted by the system of cha
A point charge Q = 1.17×10-5 C is at the center of a conducting spherical shell of radius R = 29.60 cm. The total charge of the shell is -1.17×10-5 C. What is the field in the region bet