Physics, 10.12.2020 07:10 maribelmartine8919
A student in the lab has a 17 kg mass attached to a horizontal spring on a frictionless track as shown. The position labeled "O
m" represents the unstrained position of the spring. The student initially moves the block so that it compresses the spring,
where the initial position is shown. The student releases the block from rest and starts a timer. The block moves to the
maximum position shown before returning to its initial position. The student counts the number of times that the block
returns to its initial position and finds that it takes 25.9 s for the block to return 14 times.
-3.00 m
0 m
+3.00 m
What is the magnitude of the maximum acceleration for this object in m/s2)?
Answers: 2
Physics, 22.06.2019 10:30
Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.
Answers: 3
Physics, 22.06.2019 12:00
Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?
Answers: 3
Physics, 22.06.2019 21:10
A10-kg isto a of 10 m at aa0.9 kg/m.30 kg of ,at aas10-m .. ( 9.8 m/s2 g.)
Answers: 3
Physics, 23.06.2019 00:30
What types of radiation make up the electromagnetic spectrum?
Answers: 2
A student in the lab has a 17 kg mass attached to a horizontal spring on a frictionless track as sho...
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