What is the speed of the cannonball
a cannonball shot with an initial velocity of 141 m/s at an angle of 45 follows a parabolic path and hits a balloon at the top of its trajectory. neglecting air resistance, what is the speed of the cannonball when it hits the balloon.
Expected delivery within 24 Hours
The locations marked by "x" and labeled by a letter are in the interior of the wire. How many electrons per second enter the positive end of the battery 2? Answer in units of electrons/s.
If a car of mass 1000 kg is moving along a highway at 92 km/h, what is the car's kinetic energy as determined by someone standing alongside the highway?
A 7.8 g bullet is accelerated in a rifle barrel 115 cm long to a speed of 590 m/s. Use the work-energy theorem to find the average force exerted on the bullet while it is being accelerated.
The electrical force on a pair of charges is 60N. IF those same charges are moved to double the distance away from each other, what is the new electrical force on the pair of charges?
The resistance of each of the three identical bulbs, by R. Determine the power in bulb1 and in bulb2. Denote the pair of the powers as: [P1, P2]?
A woman is 1.7 m tall and has a mass of 68 kg. She moves past an observer with the direction of the motion parallel to her height. The observer measures her relativistic momentum to have a magnitude of 3.0 x 1012 kg·m/s. What does the obser
Determine the ratio of the relativistic kinetic energy to the nonrelativistic kinetic energy (1/2mv2) when a particle has a speed of (a) 1.54 x 10-3c. and (b) 0.841c.
A person with perfect pitch sits on a bus bench listening to the 441-Hz horn of an approaching car. If the person detects a frequency of 479 Hz, how fast is the car moving?
1958648
Questions Asked
3,689
Active Tutors
1430705
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Sue is feeling nervous and her heart is racing. What is causing this?
When Ben spotted a menacing figure in a doorway when walking home late at night, Ben's resulting physiological arousal was an example of:
Question: Which of the following is a mode of action employed by microbial control agents?
What would the brain be like if neurones weren't post-mitotic? Consider what areas of brain function might be impacted and how.
Please calculate the expected size of the PCR product from the region with a successful knock-in. Give your answer in base pairs
Question: Mendel used which type of organism to conduct his genetics research?
In a laboratory investigation, a student is studying the role of pepsin in animal digestion. Pepsin helps break down proteins into simple molecules.