Chapter 1, Problem 1/006 Two uniform spheres are positioned as shown. Determine the gravitational force which...
Chapter 1, Problem 1/010 Determine the small gravitational force F which the copper sphere exerts on the steel sphere. Both spheres are homogeneous, and the value of r is 60mm. Express your result as a vector Steel 0.4 r 2.5r Copper Answer: F )(10-9) N
Chapter 13, Problem 006 GO In the figure, a square of edge length 17.0 cm is formed by four spheres of masses m1 = 5.10 g, m2 = 2.60 g, m3 = 1.00 g, and m4 = 5.10 g. In unit-vector notation, what is the net gravitational force from them on a central sphere with mass m5 = 2.40 g? mg N1 n5 ms 14 jUnits i+ Number
Chapter 28, Problem 006 A proton moves through a uniform magnetic eld given by b = 13.01 16.9 + 0.0k) mT. At time tl the pr ton has a velocity given by force on the proton is F 3.95 x 10-17 N)i+(3.04 x 1017 N). (a) At that instant, what is v,? (b) At that instant, what is vy (a) Number (b) Number = V l + w + 64 km s k and the magnetic Unit Unit
Chapter D3, Problem D3/036 Two iron spheres, each of which is 140 mm in diameter, are released from rest with a center-to-center separation of 0.97 m. Assume an environment in space with no forces other than the force of mutual gravitational attraction and calculate the time t required for the spheres to contact each other and the absolute speed v of each sphere upon contact. 140 mm 0.97m Answers: t- hr (10-5)m/s Chapter D3, Problem D3/036 Two iron spheres, each...
Chapter 15, Problem 10 l Your answer is partially correct. Try again Two tiny conducting spheres are identical and carry charges of -19.7 C and +68 4HC They are separated by a distance of 241 cm. (a) what is the magnitude of t each sphere experiences? (b) The spheres are brought into contact and then separated to a distance of 2.41 cm, Determine the magnitude of the force that each sphere now experiences (a) N (b) Number
Problem 6: Assume uniform distribution of charge within a sphere with radius R. Determine the total force with which the southern hemisphere acts on the northern hemisphere. Show your solution in terms of radius of the sphere R and the total charge Q. State assumptions if any Problem 6: Assume uniform distribution of charge within a sphere with radius R. Determine the total force with which the southern hemisphere acts on the northern hemisphere. Show your solution in terms of...
7. Determine the ratio of the electrostatic force to the gravitational force betwen a poton and an electron, FE/FO. Note: k-899 x 10° N㎡C; G=6672x ir'i N rAg. m,=9.109×10-34 kg; and n-1.672 x 10"kg. A) 124 x 103 B) 2.52× 1029 C) 1.15 x 10" D) 2.26 x 10 E) 142 x 10 8. In the figure, point A is a distance I away from a point charge @. Point B is a distance 4 away from Q. What ís...
Two thin hollow plastic spheres, about the size of a ping-pong ball with masses ( 0.004 kg) have been rubbed with wool. Sphere 1 has a charge -4 × 10-9 C and is at location < 0.47, -0.29, 0 > m. Sphere 2 has a charge -9 × 10-9 C and is at location < -0.42, 0.43, 0> m. It will be useful to draw a diagram of the situation, including the relevant vectors. (a) What is the relative position...
PROBLEM 8.23 The 10-lb uniform rod AB is held in the position shown by the force P. Knowing that the coefficient of static friction is 0.20 at A and B, determine the smallest value of P for which equilibrium is maintained. 15 i 7.5 in. 8 in. Fig. P8.23
Problem 3: A plane gate of uniform thickness holds back a depth of water as shown in the figure. The gate thickness is 2 m, the length L is equal to 3 m, and the angle 0 equals 30°. Determine a. The average pressure on the gate. b. The hydrostatic force F applied to the gate and its components, vertical and horizontal c. Determine the volume of the "missing water" above the gate. What do you fincd interesting about this...