Find the px and p, of the following object. v = 4 m/s 6 kg 42° O px = 2.97 kg m/s py = 2.68 kg m/s O px = 17.8 kg m/s py = 16.1 kg m/s O px =.5 kg m/s py = .44 kg m/s
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- Fnorm (normal force) = __________ N Ffrict (force of friction) = __________ N m (mass) = _________ kg a (acceleration) = __________ m/s/s ΣF (net force) = __________ NThe muzzle velocity of a typical 500 g spud is 25 m/s . The force given by the spud is K/(x+.09) where x is the distance of the barrel in meters. If the length of the barrel is 75 cm, what is the constant K? What is the force on the spud?Consider the following vectors: A = 1.2i + 4.9j + 3.7k B = -8.5i + 7.5j + 8.3k Part (a) What is the x-component of the vector V = 3(A × 2B)? Part (b) What is the y-component of the vector V = 3(A × 2B)? Part (c) What is the z-component of the vector V = 3(A × 2B)? Part (d) What is the magnitude of the vector V?
- Jennifer is walking at 1.22 m/s. If Jennifer weighs 552 N, what is the magnitude of hermomentum?A) 97.0 kg m/sB) 137 kg m/sC) 68.6 kg m/sD) 672 kg m/sE) 951 kg m/sConsidering two force vectors F1 =F1i+F1j+F1k and F2 = F2i+ F»j+F2k with their unit vectors ui = F1 /Fi= (ux)i+ (uiy) j+ (u12) k and u2 = F2 / F2= (u2) i+ (uz)j+ (u2:), which of following are valid calculations for the resultant force FR = F1 + F2? (circle all correct responses) FR = (Fix+ F2x)i+(Fty+F2»)j+ (F1z+ F2)k b. FR = (F: + F2) [(uix+ uzx)i+ (uly+uz)j+ (u1z + u2:2) k] c. FR = (F? + F?)05 [(u1x+ uz)i+ (u¡y + uz) j+ (uiz + uz:) k] d. FR = (F1uix +F2uz)i+(F1u1y+F2u2)j+ (F1u1: +F2u2)k а. %3D %3D с. %3D %3D Consider two vectors A and B with unit vectors u = A/ A and ug = B / B and angle between A and B is 0. Which of the following are correct with regard to dot products? (circle all correct responses) а. A·B is a scalar b. A-B is a vector c. If A and B are parallel, then the magnitude of A·B is the product A*B d. If A and B are perpendicular, then A B = 0 с. е. UA'UB = cos0 Considering springs, cables, and pulleys, which of the following are correct statements? (select all correct…An object has a velocity (4.69 m/s)i + (-4.4 m/s)j + (4.73 m/s)k. In a time of 5.5 s its velocity becomes (-2.22 m/s)i + (0.00 m/s)j + (4.73 m/s)k. 1) If the mass of the object is 3.31 kg, what is the magnitude of the net force on the object, in N, during the 5.5 s? Assume the acceleration is constant.
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- 0 cm 10.0 cm 35.0 N 45.0 cm xcm 30.0 N 3. What is the value of the force at 40.0 cm in the diagram below? 0 cm 40.0 cm 25.0 N (x) N 50.0 cm 100.cm 30.0 NM2 = 5 kg uk = 0.1 M1 = 10 kg H = 3 m What is the velocity of the mass 1 when it hits the floor?Consider the three vectors A= 4.2i+3.9j+6.5k, B=-9.1i+1.3j+6.4K, and C=8.8i-2.9j+3.2k. (A) what is the x component of the vector sum V= A+B+C? (B) what is the y component of the vector sum V=A+B+C? (C) what is the s component of the vector sum V=A+B+C? (D) what is the length of the sum of the given vectors, |V|?