in a)
reading = m * g =6.3 * 10
reading = 63 N
in b)
reading = tension = m * g =6.3 * 10
reading = 63 N
in c)
reading = 2m * g = 2 * 6.3 * 10
reading = 126 N
in d)
reading = m * g * sin(31 degree) = 6.6 * 10 * sin(32)
reading = 34 N
18.-/4 points SerPSE9 5.P.028.WI 0 My Notes Ask Your Teacher The systems shown below are in...
The systems shown below are in equilibrium (with m = 1.80 kg and θ = 25.0°). If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless. scale in (a) N scale in (b) N scale in (c) N scale in (d) N The systems shown below are in equilibrium (with m = 1.80 kg and ? = 25.0�). If the spring...
answer hoth questions. circle each answer 5. -/3 points SerPSE9 7.P.042.WI. My Notes Ask Your Teacher A 280-N child is in a swing that is attached to a pair of ropes 1.90 m long. Find the gravitational potential energy of the child-Earth system relative to the child's lowest position at the following times. (a) when the ropes are horizontal (b) when the ropes make a 35.0' angle with the vertical (c) when the child is at the bottom of the...
The systems shown below are in pulleys and strings and assume the pulleys and the incline are frictionless. equilibrium with m = 2.60 kg and θ = 28.0. If the sprin g scales are calibrated in newtons, what do they read? Ignore the masses of the 1m scale in (a): 25.506 scale in (b): 51.01 r the values of the tension in the string just above the ball, just to the right of the pulley and just to the left...
My Notes Ask Your Teacher SerPSE9 29.P.035.WI. -/2 points straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, B = 1.50 k T. If the current is in the wire carries a steady current of 2.00 A negative y direction, what is the magnetic force on the section of wire? Magnitude N Direction --Select- Need Help? Read It Watch It
underline all answers! 3. -12 points SerPSE9 3.P.032.WI. My Notes Ask Your Teacher Vector A has x and y components of -8.60 cm and 14 are the components of C? om, respectively 16.40 cm, respectively. If A.15 + 3 = 0, what Need Help? Read 4. -/3 points SerPSE9 3.P.048.WI. My Notes Ask Your Teacher a two-dimensional Cartesian coordinate system. The ny is located at the point A fly lands on one wall of a room. The lower left corner...
6. -14 points SerCP11 6.2.P.028. My Notes + Ask Your Teacher Two objects of masses m = 0.50 kg and m2 = 0.90 kg are placed on a horizontal frictionless surface and a compressed spring of force constant k = 300 N/m is placed between them as in figure (a). Neglect the mass of the spring. The spring is not attached to either object and is compressed a distance of 9.6 cm. If the objects are released from rest, find...
14. -13 points SerPSE9 7 P042 W My Notes Ask Your Teacher A 250-N child is in a swing that is attached to a pair of ropes 2.20 m long. Find the gravitational potential energy of the child-Earth system relative to the child's lowest position at the following times. (a) when the ropes are horizontal (b) when the ropes make a 32.0° angle with the vertical (c) when the child is at the bottom of the circular arc Need Help?...
14. +0/4 points | Previous Answers SerPSE9 24.P.057.WI My Notes Ask Your Teacher For the configuration shown in the figure below, suppose a = 5.00 cm, b 20.0 cm, and c = 25.0 cm. Furthermore suppose the electric field at a point 11.5 cm from the center is measured to be 3.50 x 103 N/C radially inward and the electric field at a point 50.0 cm from the center is of magnitude 196 N/C and points radially outward. From this...
5. + 0/1 points Previous Answers SerPOP5 7.P.005.WI. My Notes + Ask Your Teacher A block of mass 0.247 kg is placed on top of a light, vertical spring of force constant 5 150 N/m and pushed downward so that the spring is compressed by 0.099 m. After the block is released from rest, it travels upward and then leaves the spring. To what maximum height above the point of release does it rise? (Round your answer to two decimal...