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The force of gravity, giving the flea an acceleration of 9.80 m/s2 directed down. In that case, what is the maximum height reached by the flea?
A gorilla weighs 900N and swings from vine to vine. As the gorilla grabs a new vine, both vines make and angle of 35 degrees with the vertical. What is the net force on the vine?
The scale of a spring balance reading from 0 to 190 N has a length of 10.5 cm. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.10 Hz. Ignoring the mass of the
King Arthur's knights fire a cannon from the top of the castle wall. What is the fired ball's maximum height above the ground?
What determines the type of ecosytem found in certain parts of the world? include in your answer the position of the sun relative to the earth and the influence of wind and water currents.
A satellite used in a cellular telephone network has a mass of 1890 kg and is in a circular orbit at a height of 820 km above the surface of the earth. What is the gravitational force on the satelli
The scale of a spring balance reading from 0 to 235 rm{N} has a length of 15.0 rm{cm}. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.70 rm{Hz}. What is the
The electrostatic force between two charges located 0.8 meters apart is 0.10 N. What will the force be between these charges when they are located 0.4 meters apart?
What is the acceleration of two falling sky divers (mass 107.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight?
Two species of garter snakes live in the same geographic area.
A 95 kg diver steps off a 3 m tower and drops, from rest, straight down into the water. If he comes to rest 2.5 m beneath the surface, determine the average resistance force exerted on him by the w
An electron is accelerated eastward at 1.84x10^9 m/s^2 by an electric field. Determine the magnitude and direction of the electric field.
Why is the production of sperm and eggs important in the life cycle
A second force 2 of magnitude 5.00 units acts at the origin in the direction of the positive y axis. Find graphically the magnitude and direction of the resultant force 1 + 2.
Three charges q = 0.380 C form an equilateral triangle, 1.60 m on a side. Using energy that is supplied at the rate of 0.65 kW, how many days would be required to move one of the charges to the midp
A 75 lightbulb is designed to operate with an applied ac voltage of 120 V rms. The bulb is placed in series with an inductor L , and this series combination is then connected to a 60 Hz 240 V volta
How kidneys respond to stress or emergency.
What is the acceleration of the particle at the instant the particle is not moving (other than at t = 0)? (i) Determine the average velocity of the particle between t = 0 and t = 3.00 s.
How much time passes before the police car overtakes the speeder after the speeder passes (assumed moving at constant speed)?
A long wire lying along the x-axis carries a current of 2.80 A in the +x direction. There is a uniform magnetic field present, given by B=0.003i + 0.004j + 0.002k, where i, j, k are the unit vector
An internal explosion breaks an object, initially at rest, into two pieces, one of which has a 1.5 times the mass of the other. if 7500J were released in the explosion, how much kinetic energy did e
Would you agree that it is valuable for a nation to have a citizenry that is reasonably well versed in science?
How many jouels of energy are necessary to heat the steam from 100.0 degrees celsius to 114.0 degrees celsuis if the specific heat of the steam is 2.1 J/g degrees celsius?
A rectangular container measuring 10cmx20cmx25cm is filled with gas. What is the mass volume of water in kilograms?
A worker pushes horizontally on a large crate with a force of 294 N, and the crate is moved 6.2 m. How much work was done?