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How much work is done by pulling up on a suitcase at 40Β° elevation with a force of 5.00lb while moving it horizontally 1320.ft?
An electrostatic force of 20N is exerted on a charge of 8.0 x 10 3 C at point P in
an electric field. What is the magnitude of the electric field intensity at point P?
Given 1 log unit at 500 nm is 100 W, what is the number of watts at 550 nm?
Given the vectors π΄β=5πΜ+3πΜ+πΜ and π΅ββ=β3πΜ+2πΜβ4πΜ, find the following:
β’ π΄β β π΅β
β’ Angle between vector A and B
β’ π΄β π₯ π΅β
2. A ball is thrown at an angle of 45.0Β° from the horizontal with an initial velocity of 5.0 π/π .
a. At what time will the ball reach its maximum height?
b. What will be the maximum height of the ballβs trajectory?
c. How far will the ball travel horizontally when it reaches the maximum height of its flight?
Two very narrow slits are spaced 1.80 mm apart and are placed 35.0 cm from a screen.
What is the distance between the first and second dark lines of the interference pattern when the slits are illuminated with coherent light with wavelength 550 nm?
Find the instantaneous velocity at time π‘1=1.0 π using the equation π₯=20 π+(5.0π/π ^2)π‘^2 during the time interval between t1=1.0 s and t2=2.0 s
The capacitors have values C1 = 2.5 Β΅F and C2 = 4.0 Β΅F, C3 =
6.0 Β΅F C4 = 8.0 Β΅F and the potential difference across the battery is
12.0 V. Assume that the capacitors are connected in series. Find the
equivalent capacitance of the circuit and solve for the potential
difference across each capacitors.
Determine the electrical force of attraction between two balloons that are charged with the opposite type of charge but the same quantity of charge. The charge on the balloons is 6.6 x 10^-5 C and they are separated by a distance of 150 cm.
A point charge (Q1) has a magnitude of -7 uC.Β A second charge (Q2) has a magnitude of -5.5 uC and is located 143 cm from the first charge. Find the magnitude of the force between the two charges.
#339914 on Dec 2023