physics word problem

physics word problem

At the equator, there is a magnetic field B horizontal to the North and magnitude B: ... T (given) What is the magnitude and direction of the velocity of an electron e (me =9.31 x 10-31 Kg...

The temperature of the wire is 50 degrees (Celsius). Given that at 20 degrees, ρo = 2.82x10-8 Ωm and α = 3.9x10-3 /C. Determine: a) the resistivity of the wire b) the current...

a)The capacitance b)The charge on each plate c)The electric field between the plates d)The work done by the battery to charge the plates e)Which of the above values change is a dielectric is inserted...

Hi, I have a hard time understanding the concept of the Inverse Square Law, and hence, answering this question. Please help! The inverse square law for the intensity of light explains...

One long wire carries current 26.0 A to the left along the x axis. A second long wire carries current 70.0 A to the right along the line (y = 0.280 m, z = 0). (a) Where in the plane of the two...

A woman weighing 600 N lies on a 2.5-m-long, 60 N reaction board with her feet over the pivot as show in Figure 1. The scale on the right reads 250 N. She now extends her arms upward, in front...

A converging lens with f=29.8 cm yields an image with magnification M=−2.5. Find the object distance. in terms of centimeters. They will be assumed to be cm. to a precision of tenths of...

We want light to reflect inside material 1 as it strikes the surface between materials 1 and 2. Material 1 has an index of refraction of n1=1.62 and material 2 has an index of refraction of n2=1.23...

A diverging lens with f=−42 cm is placed 33 cm from a jar of marshmellow fluff. Find the image distance. meters. to a precision of tenths of a cm.

A 225-g block is pressed against a spring of force constant 1.45 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Using...

For a spectrograph fed with an f/3.32 beam, and with an f/1.33 camera, what is the magnification factor of the entrance slit at the detector focal plane (larger or smaller)? The question...

can someone help. A typical magnitude of the external magnetic field in a cardiac catheter ablation procedure using remote magnetic navigation is B = 0.080 T. Suppose that the permanent...

If you were to shake the end of a taut spring up and down 10 times a second, what would be the frequency and the period of the sinusoidal wave produced on the spring?

A thin conductive sheet is placed on the ground. The sheet is square with L m side length and carries a total charge of Q C. A small ball bearing is held above the centre of the sheet and...

Find the magnitude of the vertical force F necessary to lift the end of a loaded wheelbarrow of weight 1415 N, shown in the figure below. (Let h = 0.970 m, D = 1.10 m and d = 0.195 m.)

The hour hand of a world famous clock is 2.74M long while the minute hand is 4.2M long. Determine the displacement from the tip of the hour hand at -12.30 and 13.17 Calculate distance...

An airplane flying parallel to the ground undergoes two consecutive displacements. The first is 75 km 30.0° west of north, and the second is 155 km 60.0° east of north. What is the total...

During a rodeo, a clown runs 8.0 m north, turns 55° north of east, and runs 3.5 m. Then, after waiting for the bull to come near, the clown turns due east and runs 5.0 m to exit the arena...

A plane travels 2.5 km at an angle of 35° to the ground and then changes direction and travels 5.2 km at an angle of 22° to the ground. What is the magnitude and direction of the plane’s...

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