This article discusses to reveal students' conceptual understanding in determining the direction of acceleration in two-dimensional movements, with special cases of pendulum motion. To achieve this goal, there are 3 reasoned multiple choice questions which are part of 20 conceptual kinematics questions. The study was conducted on 37 first year physics education master students at Universitas Negeri Malang. This research is quantitative descriptive. Research data shows that students' understanding is still low, only 4 (10.81%) students answer the first question correctly, 3 (8.11%) students answer the second question correctly, and 24 (64%) students answer question correctly. Based on the answer analysis, students are indicated due experience errors, such as (1) the acceleration of the object is always in the direction of motion, (2) at the highest point the object pauses, accelerates zero, and (3) the pendulum had zero acceleration in lowest position because the velocity is maximum.

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The purpose of this study was to determine the effect of Return On Assets, BOPO, and Interest Rates on the Mudharabah Deposit Profit Sharing Rate at BPRS in Indonesia. This research is a type of explanatory research. The object of this research is BPRS in Indonesia according to the results of the yearly financial reports for 2015-2019. The sampling technique used was simple random sampling technique, and there were 8 BPRS in Indonesia used as samples. The type of data used in this study is quantitative data. The data source in this research is secondary data source. The method used in this study is the Classical Assumption Test and Hypothesis Test. The data collection technique is documentary from the official website of the Financial Services Authority (OJK) and the official website of each BPRS in Indonesia as a complement. The results of the study explain that ROA has no effect on the profit sharing rate of mudharabah deposits at BPRS in Indonesia for the 2015-2019 period with a significance value of 0.274. BOPO has a positive and significant effect on the profit sharing rate of mudharabah deposits at BPRS in Indonesia for the 2015-2019 period with a significance value of 0.010. Interest rates have no effect on the profit sharing rate of mudharabah deposits at BPRS in Indonesia for the 2015-2019 period with a significance value of 0.288. As well as Return On Asset, BOPO, and Interest Rates simultaneously have a significant effect on the Profit Sharing Rate of Mudharabah Deposits at BPRS in Indonesia for the 2015-2019 Period with a significance value of 0.015.

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