E The ware function for a ware on a taunt strieg is YCXt) = 0,350 sin CloTE-3NX +) where X and Y are in meters ond t is in Seconds. If the linear mass density of the string is 75.0 5) What is the tension in the string Cin Newtorns) ?
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- Water flows through a 2.9-cm-diameter hose 2.7 m/s. Part A How long, in minutes, will it take to fill a 600 L child's wading pool? Express your answer in minutes. t = ΑΣΦ ? minAssume that the board you used was covered with two materials, material 1 and material 2. If the height where the wooden block started to slide down is higher on material 2 than on material 1, what can we say about the μs and μk associated with material 2 as compared to material 1? a. μs and μk on material 2 is higher than on material 1b. μs and μk on material 1 is higher than on material 2c. μs on material 2 is higher than on material 1, but μk material 1 is higher than on material 2d. μs on material 1 is higher than on material 2, but μk material 2 is higher than on material 1e. Regarless of any height, μs and μk is same on material 1 and material 2! DN Required information In the below FBD, the forces are labeled with their magnitudes. ΑΝ CN BN What is the net force? N where A = C = 17.4 and B = D = 13.5.
- Please help. This problem involves finding the radius and volume of a platinum atom using its density. Thank you.d and eA student measures the mass of an object with a scale several times, resulting in an average mass m = 11.29 grams. Another student points out that the scale was not “zeroed”, or calibrated to read zero mass with no object on it, before the object was weighed. Without a load, the scale reads 0.08 grams. No one has used the scale since the last measurement. c) What is the correct mass of the object?
- n an Atwoods Machine lab with m1-.l and 2o.13 0bserved acceltraton is 120 mist. Compare the value with the altheortical)A rocket with a mass of 2.70x106 kg exerts a vertical force of 3.40×107 N on the gases it expels. ▼ Part A Determine the acceleration of the rocket. Assume g remains constant, and ignore the mass of gas expelled (not realistic). Express your answer using two significant figures. VE ΑΣΦ Submit Dart R Request Answer ? m/s²I Review I Constants A 10 cm x 10 cm x 10 cm wood block with a density of 680 kg/m floats in water. You may want to review (Page). Part A What is the distance from the top of the block to the water if the water is fresh? Express your answer to two significant figures and include the appropriate units. HẢ ? d = Value Units Submit Request Answer Part B If it's seawater? Suppose that p = 1030 kg/m. Express your answer to two significant figures and include the appropriate units. Value Units Submit Request Answer
- a)Find an expression for the bullet's initial speed v_B in terms of m, M, k, and d. Express your answer in terms of the variables m M k d b)What was the speed of a 1.8 g bullet if the block's mass is 1.1 kg and if the spring, with k = 37 N/m , was compressed by 16 cm? Express your answer in meters per second. c)What percentage of the bullet's energy is "lost"? Express your answer in percent to four significant figures.A cube with the dimensions bXbXb with mass m lies on the flat horizontal ground. One the side shown in the figure. The thickness normal to the plane of the figure is b. The cube is subject to the earth's gravity and the friction coefficient between the cube abd the ground is mu. Express your answer in terms of the given variables. What is the minimum force required to produce sliding? What is the minumum force required to produce tipping of the cube? Assume the cube is rotating about O. Impulsive horizontal loading L is applied on the edge B such that force F(t) is applied during the very short time delta t: where L= the integral from zero to delta t of F(t)dt. What is the minimum value of the impulse for which the cube tips over and falls on side OA.The Statue of Liberty in New York City is approximately 305 ft305 ft tall. How many U.S. dimes would be in a stack of the same height? Each dime is 1.35 mm1.35 mm thick. number of dimes: Each dime has a mass of 2.268 g.2.268 g. How much would the stack of dimes from the previous question weigh? mass: g What is the value, in dollars, of the same stack of dimes? value: dollars The 2017 U.S. gross domestic product (GDP) was valued at 19,390,604,000 dollars.19,390,604,000 dollars. How many Statue of Liberty‑height stacks of dimes are needed to match the GDP in value? number of stacks: