A proton is moving at 105 m/s at a point where the potential is 10 V. Later, it is at a place where the potential is 5 V. What is its speed there, assuming energy is conserved?
105 m/s |
Its speed will depend on how it got to the new place. |
Less than 105 m/s |
More than 105 m/s |
A proton is moving at 105 m/s at a point where the potential is 10 V....
A) A proton is placed at point A, where the electric potential is 100 V . The proton is released from rest. Some time later, the proton has reached point B, where the electric potential is -140 V . What is the de Broglie wavelength of the proton when it reaches point B? _____ m B) We then place an electron at point B and release it from rest. What is its de Broglie wavelength when it reaches point A?...
1. A proton has a speed of 1.5 x 10 m/s at a point where the electrical potential is 1000 V. It moves through a point where the electric potential is 900 V. What is its speed at this second point? (e = 1.60 x 10-19 C, Mproton = 1.67 * 10-27 kg)
1. A proton has a speed of 1.5 x 10 m/s at a point where the electrical potential is 1000 V. It moves through a point where the electric potential is 900 V. What is its speed at this second point? (e = 1.60 x 10-19, mproton = 1.67 * 10-27 kg) 3.55 x 10 m/s 0.53 * 10 m/s 2.04 * 1010 m/s 2.04 x 10 m/s 04.16 1010 m/s
Part A: A proton is placed at point A, where the electric potential is 175 V . The proton is released from rest. Some time later, the proton has reached point B, where the electric potential is -160 V . What is the de Broglie wavelength of the proton when it reaches point B? Part B: We then place an electron at point B and release it from rest. What is its de Broglie wavelength when it reaches point A?
1. A proton is placed at point A, where the electric potential is 200 V . The proton is released from rest. Some time later, the proton has reached point B, where the electric potential is -120 V . What is the de Broglie wavelength of the proton when it reaches point B? 2.We then place an electron at point B and release it from rest. What is its de Broglie wavelength when it reaches point A?
1. A proton has an initial speed of 5.0×105 m/s . a.) What potential difference is required to bring the proton to rest? (in V) b.)What potential difference is required to reduce the initial speed of the proton by a factor of 2? c.)What potential difference is required to reduce the initial kinetic energy of the proton by a factor of 2?
A proton has an initial speed of 4.5×105 m/s . A) What potential difference is required to bring the proton to rest? Units in V B) What potential difference is required to reduce the initial speed of the proton by a factor of 2? C) What potential difference is required to reduce the initial kinetic energy of the proton by a factor of 2?
2) A proton, initially moving at 6.00x105 m/s, goes through a potential difference of +1000.0 V a) What is its final speed? b) After going through the +1000.0 V, through what potential difference must the proton go so that it comes to a stop? (get the sign right, +V or -V?)
1. A proton has a speed of 1.5 x 109 m/s at a point where the electrical potential is 1000 V. It moves through a point where the electric potential is 900 V. What is its speed at this second point? (e = 1.60 x 10-19, mproton = 1.67 x 10-27 kg) 4.16 x 1010 m/s 2.04 x 10'0 m/s 02.04 10 m/s O 0.53 x 10ʻm/s 3.55 x 10 m/s
A proton has an initial speed of 3.8×105 m/s . A. What potential difference is required to bring the proton to rest? B. What potential difference is required to reduce the initial speed of the proton by a factor of 2? C. What potential difference is required to reduce the initial kinetic energy of the proton by a factor of 2?