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A butterfly flies from the top of a tree in the center of a garden to rest on top of a red flower at the gardens edge. the tree is 8.0 m taller than the flower, and the garden is 12 m wide . Determine the magnitude of the butterflys displacement?
Two cars are travelling on a dirt road between 3 consecutive poles after 5.40s they are side by side at next telephone pole. The distance between the poles is 66.30m.
find the minimum thickness for constructive interference of visible light with a wavelength of 595 nm.
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of single wavelength. It then falls on two slits separated by 0.410 . In resulting interference pattern on a screen 2.10 away, adjacent bri..
Throughout a hard sneeze, your eyes may shut for 0.44s. If you are driving a car at 98 km/h during such a sneeze, how far does the car move during that time.
Two small metal spheres with masses 2.0 {rm g} and 4.0 {rm g} are tied together by a 5.3-{rm cm}-long massless string and are at rest on a frictionless surface. Each is charged to +2.3 mu C. What is the energy.
A football player runs the pattern by the three displacement vectors, , and . The magnitudes of these vectors are A = 4.00 m, B = 18.0 m, and C = 16.0 m. Using the component method, find out the (1) magnitude and (2) direction of the resultant vec..
Volcanoes on the Earth eject rocks at speeds of up to 160 m/s. Consider a 1260 m high volcano that ejects rocks in all directions. What is the maximum height above sea level reached through rocks.
A 0.30 kg softball has a velocity of 12 m/s at an angle of 35° below the horizontal just before making contact with the bat. The ball leaves the bat 2.0 ms later with a vertical velocity of magnitude 10 m/s. What is the magnitude of the average f..
What focal length does the lens need. how many meters will the car have moved before it begins to slow down.
Each tire of an automobile has an area of 0.026m^2 in contact with the ground. The weight of the automobile is 2.6x10^4 N. What is the pressure in the tires.
A model rocket is launched straight upward with an initial speed of 47.8m/s. It accelerates with a constant upward acceleration of 2.07m/s2 until its engines stop at an altitude of 157 m. What is the maximum height reached by rocket.
A dolphin in seawater at a temperature of 25 °C makes a chirp. How much time passes before it hears an echo from the bottom of the ocean, 208 m below.
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