A belt fits tightly around two circular pulleys. Find the distance bet..
A belt fits tightly around two circular pulleys. Find the distance between the centers of the pulleys. [Given a = 12 cm, b = 18 cm and c = 34 cm.] =>..
Three common tangents can be drawn to two circles of radii r1 cm and r..
Three common tangents can be drawn to two circles of radii r 1 cm and r 2 cm. What is the distance between their centers? [Given r 1 = 7 cm and r 2 = 5 cm.] => 2 cm or 12 cmh..
At a carnival you can win prizes if you throw a dart into the circular..
At a carnival you can win prizes if you throw a dart into the circular regions marked 1, 2 and 3 of a a cm - by - a cm dart board. The radii of the concentric circles are b cm, c cm, and d cm respectively. Find the prob..
Moving Charges and Magnetism Summary
The field lines are circles concentric with the wire. The magnitude of the magnetic field due to a N-turn circular coil of radius R carrying a current i at an axial distance x from the center is At the center this reduces to Ampere's Circuital Law : We have d..
The field lines are circles concentric with the wire. The magnitude of the magnetic field due to a N-turn circular coil of radius R carrying a current i at an axial distance x from the center is At the center this reduces to Ampere's Circuital Law : We have d..To determine the frequency of the electrically maintained tuning fork (transverse mode)
. We know that when the thread vibrates with n loops, the frequency of vibration is given by The readings are entered as follows: Mass of the scale pan = S =.. Kg Acceleration due to gravity = g = ..ms - 2 Length of the thread = L = ..m Length of the specimen thread = m Mass of ..
. We know that when the thread vibrates with n loops, the frequency of vibration is given by The readings are entered as follows: Mass of the scale pan = S =.. Kg Acceleration due to gravity = g = ..ms - 2 Length of the thread = L = ..m Length of the specimen thread = m Mass of ..Wheel and Axle
= 80% Example 5 : A block and tackle having 2 pulleys in each block is used to raise a load of 60 N. The lower block weighs 12 N. Neglecting the frictions calculate the effort required to raise the load. Suggested Answer: Since there are two movable pull..
= 80% Example 5 : A block and tackle having 2 pulleys in each block is used to raise a load of 60 N. The lower block weighs 12 N. Neglecting the frictions calculate the effort required to raise the load. Suggested Answer: Since there are two movable pull..To increase stability C.G. of the toy is lowered.
14X + 6X = 240 - 120 20X = 120 The knife edge should be provided at 56 cm mark. Example 2 : A see-saw of 4m is provided with a wedge at the center. Susan and Jason of weights 500 N and 300 N respectively are sitting on the same side of the fulcrum at 2 m and ..
14X + 6X = 240 - 120 20X = 120 The knife edge should be provided at 56 cm mark. Example 2 : A see-saw of 4m is provided with a wedge at the center. Susan and Jason of weights 500 N and 300 N respectively are sitting on the same side of the fulcrum at 2 m and ..Electronic configuration
"> Am 95 [Rn] 5f 7 7s 2 Curium Cm 95 [Rn] 5f 7 6d 1 7s 2 Berkelium Bk 97 [Rn] 5f 8 6d 1 7s 2 Californium Cf 98 [Rn] 5f 10 7s 2 Einsteinium Es 99 [Rn] 5f 11 7s 2 Fermium Fm 100 [Rn] 5f 12 7s 2 Mendelevium Md 101 [Rn] 5f 13 7s..
Suggested solution:
Let v be the speed acquired by the electron when accelerated by a potential difference of V. Then, (1/2) mv 2 = eV or v = 2eV/m The radius R of the circular path inside the magnetic field is mv 2 / R = BeV Given: B = 0.2 T,..
Let v be the speed acquired by the electron when accelerated by a potential difference of V. Then, (1/2) mv 2 = eV or v = 2eV/m The radius R of the circular path inside the magnetic field is mv 2 / R = BeV Given: B = 0.2 T,..To summarize:
. In a certain simple machine with velocity ratio 5, an effort of 1000 N is needed to overcome a load of 4500 N. Calculate (i) mechanical advantage (ii) efficiency of the machine Suggested answer : V.R = 5 Effort = 1000 N Load = 4500 N (i) M.A (ii) Efficiency 2. A pulley system ..
. In a certain simple machine with velocity ratio 5, an effort of 1000 N is needed to overcome a load of 4500 N. Calculate (i) mechanical advantage (ii) efficiency of the machine Suggested answer : V.R = 5 Effort = 1000 N Load = 4500 N (i) M.A (ii) Efficiency 2. A pulley system ..See what our Users say :
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